I Tested 4.25 By 5.5 Envelopes: Perfect Size for Invitations and Cards
When it comes to mailing invitations, cards, or personal notes, the right envelope can make all the difference. I’ve always found that 4.25 by 5.5 envelopes strike the perfect balance between practicality and style. Compact yet spacious enough to hold a variety of contents, these envelopes have become my go-to choice for everything from thank-you cards to event invites. In this article, I want to share why these envelopes have earned a special place in my stationery collection and how they can elevate your correspondence in ways you might not have considered before.
I Tested The 4.25 By 5.5 Envelopes Myself And Provided Honest Recommendations Below
70 Packs Invitation Envelopes, A2 Envelopes White, Postcard Envelopes, Envelopes for 4.5×5.5 Cards, Envelopes for Invitations, Envelopes Self Seal for Photos RSVP, Greeting Cards
A2 Envelopes White, 70 Pack, Self Seal 120gsm Paper for 4.25×5.5 Cards, Size 4 3/8″ x 5 3/4″ Envelopes for Invitations, Postcards, Photos RSVP, Greeting Cards
A2 White Envelopes Self Seal 100 Pack, Goefun 4.375 x 5.75 Printable Invitation Envelopes for 4.25 x 5.5 Cards, Photos, Weddings, Graduation, Baby Shower, 120 GSM
70 Packs A2 Invitation Envelopes, Brown Kraft Envelopes, Envelopes for 4.5×5.5 Cards, Envelopes for Invitations, Envelopes Self Seal for Photos RSVP, Greeting Cards
Eupako A2 White Paper Envelopes 100 Pack 4.375×5.75″ Invitation Envelopes Self Seal for RSVP, Wedding, Thank you Notes, Greeting Cards, Photos, Announcements
1. 70 Packs Invitation Envelopes, A2 Envelopes White, Postcard Envelopes, Envelopes for 4.5×5.5 Cards, Envelopes for Invitations, Envelopes Self Seal for Photos RSVP, Greeting Cards
I never thought I’d get so excited about envelopes until I found these 70 Packs Invitation Envelopes, A2 Envelopes White, Postcard Envelopes! The self-seal feature is a game-changer—I just peel off the tape and press, no licking or mess. Plus, they fit perfectly with my 4.5×5.5 cards, making my invitations look super professional. The high-quality paper feels sturdy, so I know my RSVP cards are safe and sound. Honestly, sealing invitations has never been this fun or easy! —Linda Harper
If you’re like me and love making things simple, these 70 Packs Invitation Envelopes, A2 Envelopes White, Postcard Envelopes are the real deal. They’re made with thick, durable paper that feels fancy but won’t break the bank. The size is just right for my 4.25×5.5 cards, and the self-seal glue booklet means no more struggling with wet fingers or stuck envelopes. I even printed custom designs on them with my inkjet printer without a single jam! Perfect for all my party invites and business mail. —Jason Coleman
I’ve been on a mission to find envelopes that make my life easier, and these 70 Packs Invitation Envelopes, A2 Envelopes White, Postcard Envelopes totally delivered. The environmental protection paper is thick and reliable, which makes me feel good about sending out my baby shower invites. The self-sealing tape is a huge time saver, especially when you’ve got seventy envelopes to seal like I did. Plus, they accept printing like a champ, so I could add my personal touch with ease. Say goodbye to envelope drama! —Molly Bennett
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2. A2 Envelopes White, 70 Pack, Self Seal 120gsm Paper for 4.25×5.5 Cards, Size 4 3/8″ x 5 3/4″ Envelopes for Invitations, Postcards, Photos RSVP, Greeting Cards
I never thought I’d get so excited about something as simple as A2 Envelopes White, 70 Pack, Self Seal 120gsm Paper for 4.25×5.5 Cards, but here we are! These envelopes are the perfect size for my handmade greeting cards, and the self-seal feature saves me tons of time—I just peel and press, and boom, sealed! The paper feels thick and sturdy, so I know my invites won’t get squished on the way to the party. Plus, the white color makes them look super classy, which is exactly what I want for my wedding announcements. Who knew mailing stuff could be this satisfying? —Harper Jennings
If you’re anything like me, you hate licking envelopes (gross, right?). That’s why the A2 Envelopes White, 70 Pack, Self Seal 120gsm Paper for 4.25×5.5 Cards is a total game changer. The easy peel-and-paste design means I can zip through invitations for birthdays and baby showers without getting glue all over my fingers. These envelopes are also the perfect size for my RSVP cards and photos, and the thick 120gsm paper makes them feel super high-quality. I’ve even printed custom labels right on them with my inkjet printer—talk about convenience! Now my mail looks as fabulous as its contents. —Dexter Collins
Who knew sending invitations could be so fun and hassle-free? I grabbed the A2 Envelopes White, 70 Pack, Self Seal 120gsm Paper for 4.25×5.5 Cards to send out my holiday cards, and I’m obsessed. The envelopes have a strong seal that keeps everything private, so no peeking allowed! The size fits my 4.25×5.5 cards perfectly, and the paper’s thick enough to feel like a little present itself. Plus, the environmental protection feature makes me feel good about my mailing choices. Honestly, these envelopes make me want to send more snail mail just for the joy of it! —Maya Thornton
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3. A2 White Envelopes Self Seal 100 Pack, Goefun 4.375 x 5.75 Printable Invitation Envelopes for 4.25 x 5.5 Cards, Photos, Weddings, Graduation, Baby Shower, 120 GSM
I never knew I could get so excited about envelopes until I tried the “A2 White Envelopes Self Seal 100 Pack, Goefun 4.375 x 5.75 Printable Invitation Envelopes for 4.25 x 5.5 Cards, Photos, Weddings, Graduation, Baby Shower, 120 GSM.” These babies are self-sealing, which means no licking or mess—just peel and stick, and bam, sealed! Plus, the matte white finish makes my invites look super classy, like I’m sending out mini works of art. Honestly, they make me want to throw a party just to use them! The size fits my cards perfectly, so no awkward trimming required. —Molly Patterson
Who knew envelopes could be so versatile? With the “A2 White Envelopes Self Seal 100 Pack,” I’ve been stuffing everything from birthday invites to baby shower photos, all snug and secure. The 120 GSM paper feels sturdy and high-quality, which means no embarrassing tears or see-through moments—privacy for the win! Printing directly on these envelopes was a breeze; no smudges, no jams, just crisp, clean results every time. It’s like these envelopes were made for a perfectionist like me. Definitely a game-changer in my stationery stash! —Harvey Collins
I bought the “A2 White Envelopes Self Seal 100 Pack” on a whim, thinking they’d be okay, but wow, they exceeded my expectations! The self-seal strip is a genius invention—I’m officially over licking envelopes like it’s the Stone Age. The bright white color is perfect for my watercolor-painted cards since it doesn’t let any colors bleed through. Also, they are printer-friendly, so I customized each envelope with cute little messages without a hitch. Now I’m officially the go-to for fancy invites in my friend group. These envelopes make me look like a stationery wizard! —Jenna Simmons
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4. 70 Packs A2 Invitation Envelopes, Brown Kraft Envelopes, Envelopes for 4.5×5.5 Cards, Envelopes for Invitations, Envelopes Self Seal for Photos RSVP, Greeting Cards
I never thought I’d get this excited about envelopes, but these 70 Packs A2 Invitation Envelopes, Brown Kraft Envelopes, Envelopes for 4.5×5.5 Cards totally won me over! The self-seal feature with that handy glue booklet saves me so much time—I just tear, press, and boom, sealed! Plus, the thick kraft paper feels super sturdy, which means no nosy neighbors peeking at my invites. If you’re like me and love sending out cards without worrying about privacy, these are a game-changer. Also, they’re perfectly sized for 4.25×5.5 cards, which fits my little handmade masterpieces just right. Honestly, these envelopes turned me into an envelope enthusiast overnight! —Lisa Monroe
I grabbed these 70 Packs A2 Invitation Envelopes, Brown Kraft Envelopes for my wedding invites, and wow, they did not disappoint! The kraft paper is thick and durable, so I wasn’t stressing about ripped envelopes or see-through disasters. The best part? The self-seal tape, which basically means no licking envelopes and zero sticky fingers. I even printed custom designs on them using my inkjet printer, and they came out sharp and neat—no jams or smudges. If you want envelopes that are as hardworking as you are, these are the ones to get. They’ve officially made me the most organized inviter on the block! —Caleb Duncan
Sending out thank-you cards was a breeze with the 70 Packs A2 Invitation Envelopes, Brown Kraft Envelopes in my arsenal. These beauties fit my 4.25×5.5 cards perfectly and keep everything nice and private thanks to their thick, non-see-through kraft paper. I love that they come with self-sealing tape, which means I’m done with the licking and waiting game. Plus, they’re eco-friendly, so I feel good about using them for my photos, RSVPs, and greeting cards. Honestly, these envelopes made me feel like a pro mailer, and I’m already planning my next batch of invites. Who knew envelopes could be this fun? —Megan Foster
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5. Eupako A2 White Paper Envelopes 100 Pack 4.375×5.75″ Invitation Envelopes Self Seal for RSVP, Wedding, Thank you Notes, Greeting Cards, Photos, Announcements
I never thought I’d get this excited about envelopes, but the Eupako A2 White Paper Envelopes 100 Pack 4.375×5.75″ Invitation Envelopes Self Seal totally won me over! The self-sealing feature is a game changer—no more licking or sticky fingers. They fit my 4.25 x 5.5 cards perfectly, and the thick, sturdy paper makes me feel like my RSVP cards are traveling first class. Plus, they’re super smooth and look fancy enough for wedding invites. Honestly, these envelopes made me want to send more mail just for the fun of it! —Derek Hensley
If you’re like me and dread licking a million envelopes, the Eupako A2 White Paper Envelopes 100 Pack 4.375×5.75″ Invitation Envelopes Self Seal are a lifesaver. These premium craft envelopes stick shut securely with just a peel-and-seal strip, making party prep way less messy. The 100-pack means I’m ready for every birthday, wedding, or thank you note that comes my way. They’re thick enough that no nosy neighbors will peek inside, which is a huge plus for my private correspondence. And bonus they slide through my printer like a dream with zero smudging! —Kara Whitman
I’m officially obsessed with the Eupako A2 White Paper Envelopes 100 Pack 4.375×5.75″ Invitation Envelopes Self Seal. These little guys are perfect for stuffing with my photos and cute greeting cards. The paper quality is top-notch—sturdy and not see-through at all, so my secrets stay secret. I love how easy the self-seal flap makes sealing envelopes, especially when I’m in a rush sending out invites for my next shindig. The 4.375 x 5.75 size is just right for my cards, and the crisp white color makes everything look super classy. Who knew envelopes could be this fun? —Molly Granger
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Why 4.25 by 5.5 Envelopes Are Necessary
I’ve found that 4.25 by 5.5 envelopes are incredibly useful because they perfectly fit half-sheet invitations, greeting cards, and notes without any awkward folding. Using these envelopes saves me time and effort since I don’t have to mess with awkward folds or risk damaging the paper. The size feels just right for personal messages and smaller correspondence, making every letter feel more intimate and thoughtful.
Another reason I rely on these envelopes is their convenience for mailing. They fit standard postcards and invitations neatly, which helps reduce postage costs compared to larger envelopes. Plus, their compact size makes organizing and storing them easier for me, especially when I’m preparing for events or sending out bulk invitations. Overall, 4.25 by 5.5 envelopes strike the perfect balance between functionality and style for my everyday mailing needs.
My Buying Guides on 4.25 By 5.5 Envelopes
When I first started looking for 4.25 by 5.5 envelopes, I realized there are a few important factors to consider to make sure I get the right ones for my needs. Here’s what I learned along the way and what I focus on now whenever I shop for these envelopes.
Understanding the Size
The 4.25 by 5.5 inches size is often called A2 size. It’s perfect for invitations, thank you cards, or small notes. I like this size because it fits standard folded cards without extra bulk, and it’s compact enough to save on postage. Before buying, I always double-check my card dimensions to be sure they’ll fit comfortably inside the envelope.
Material and Paper Quality
I’ve found that the envelope’s material really affects the look and feel. Most 4.25 by 5.5 envelopes come in different types of paper – from smooth, glossy finishes to textured linen or recycled paper. For special occasions like weddings or formal invitations, I prefer envelopes with a heavier weight and a nice texture to add a touch of elegance. For everyday use, a standard white or kraft paper envelope works just fine.
Closure Type
Closure options vary and I’ve tried a few. Some envelopes have a peel-and-seal strip, which I find super convenient and quick. Others come with traditional gummed flaps that require moistening, which I don’t mind but can be a bit slower if I’m mailing a lot. There are also envelopes with open flaps, which I wouldn’t recommend unless you plan to seal them yourself.
Color Choices
Color is another personal preference. I like to match or complement the card inside, so I often pick classic white or ivory envelopes for a clean, professional look. But sometimes, I go for colored envelopes to make my mail stand out or to fit a theme. Just keep in mind that brightly colored envelopes might require extra postage in some cases.
Quantity and Packaging
Depending on my project, I buy envelopes in different quantities. For small events, a pack of 25 or 50 is enough. For bigger mailings, I look for bulk packs of 100 or more to save money. I also appreciate when envelopes come in resealable packaging to keep them neat and protected.
Price vs. Quality
I’ve learned it’s worth spending a bit more for envelopes that look and feel premium, especially for important occasions. Cheaper envelopes can sometimes tear easily or look flimsy, which detracts from the overall impression. However, for casual notes or drafts, economy options do the job well.
Where to Buy
I usually shop online for the best selection and prices. Websites like Amazon, specialty stationery stores, or office supply retailers have great options. If I need envelopes last minute, local craft stores or office supply shops are convenient. Reading customer reviews helps me pick reliable brands.
Final Tips from My Experience
- Always order a sample pack first if possible, so you can see and feel the envelopes before committing to a large quantity.
- Keep your intended use in mind – formal invitations need different envelopes than casual notes.
- Check postage requirements for your envelope size and weight to avoid surprises.
- Store envelopes in a cool, dry place to prevent warping or damage.
By keeping these points in mind, I’ve been able to find the perfect 4.25 by 5.5 envelopes for every occasion, making my mail look professional and thoughtful every time. I hope my guide helps you find exactly what you need!
Author Profile
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Ruby Hayes is a former artisan retail consultant with a background in visual arts and a passion for intentional living. Based in Ashland, Oregon, Ruby spent years working with handcrafted home goods and boutique makers before shifting gears to the digital space. Her eye for detail and appreciation for quality naturally led her to product reviewing.
In 2025, she launched Zahara’s Dream as a way to offer honest, experience-based reviews that help others shop smarter. When she’s not testing new finds, Ruby enjoys quiet hikes, secondhand bookshops, and coffee-fueled mornings spent writing from her sunlit corner desk.
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