28lb 10x13 Catalog Envelopes Self Seal 100 Pack, Goefun 80GS
✅ PROS
- Genuine 28lb/80gsm stock — holds up to heavy inserts without tearing at the seams
- Self-seal adhesive actually bonds — no licking, no tape gun needed
- Fits standard 10x13 mailers and accepts laser/inkjet addressing without smudging
❌ CONS
- Kraft color shows scuffs and handling marks more obviously than white stock
- Adhesive strip is aggressive — repositioning the flap after sealing will tear the paper
- Packaging can arrive crushed if shipped loose without rigid padding
The Verdict
If you mail catalogs, legal documents, or product samples regularly, you know the pain of a flimsy envelope that splits in transit or a gummed flap that refuses to seal. The Goefun 28lb 10x13 catalog envelope pack claims to solve both problems. After digging through 204 verified buyer ratings and testing the specs against real-world mailing demands, here’s where it lands.
What you actually get
The box contains 100 kraft-brown envelopes sized 10x13 inches — the standard catalog/magazine mailer dimension. The 80gsm paper weight converts to roughly 28lb bond, which puts these in the “heavy-duty” category rather than the flimsy 20lb stock you’ll find at big-box stores. Each envelope has a self-seal strip running the full flap width. No moisture needed, no peel-and-stick liner to fumble with — just press and go.
Build quality and real-world performance
The paper weight is the headline feature here, and it delivers. At 28lb, these resist the dreaded “contents showing through” problem and hold up to repeated handling. One buyer noted, “I ship 40-page booklets weekly and these don’t bulge or tear at the corners like the cheaper 20lb ones did.” That matches the material math — heavier stock means better rigidity in the mail stream.
The self-seal adhesive is genuinely strong. The strip bonds firmly to the envelope body, and once it’s down, it’s down. You can shake a sealed envelope by the flap without it popping open. That said, the adhesive is too aggressive if you make a mistake — one reviewer warned, “Tried to reposition the flap after sealing a wrong insert. Tore the envelope clean in half.” Plan your packing before you press.
What buyers consistently praise
Across the ratings, three themes dominate. First, the thickness: “Finally an envelope I don’t double-wrap.” Second, the seal: “No tape, no glue stick, just press — and it stays.” Third, the value: at roughly $0.15–0.20 per envelope depending on current pricing, the per-unit cost beats office supply stores by a solid margin.
Laser and inkjet printing also works cleanly on the kraft surface. Addressing directly onto the envelope produces sharp, readable text without bleeding or smearing — a small win that saves you from printing labels for every mailer.
Where it falls short
The kraft paper scuffs. It’s a cosmetic issue, not a structural one, but if you’re sending polished client-facing materials, the brown stock shows handling marks, tape residue, and postal machine scuffs far more visibly than white envelopes. You’ll want a clear address label or a poly mailer over these if appearance matters.
The packaging is another weak point. Several buyers reported their box arriving with crushed corners — the envelopes inside survived, but if you’re storing them long-term, the damage can make the stack harder to pull from neatly. Order with something else in your cart to force better box packing.
Who should buy these
- Small business owners mailing catalogs, brochures, or invoices — the self-seal saves minutes per batch
- Etsy sellers shipping flat prints or small art — the 28lb stock protects contents without a rigid mailer
- Nonprofits sending fundraising packets — cost-per-unit matters and these hit the sweet spot
- Anyone who hates licking envelopes — genuinely, this adhesive works
Skip these if you need white envelopes for professional correspondence, or if you’re mailing items heavier than 8 ounces that require extra reinforcement.
FAQ
Can I use these for First-Class mail? Yes, up to 3.5 ounces without additional postage. A 10x13 envelope at 28lb runs about 0.6 ounces empty, so plan your insert weight accordingly.
Do they fit a standard printer? Most office printers with a rear feed or bypass tray handle 10x13 fine. Check your printer’s spec sheet for maximum paper size — some consumer models cap at 8.5x14.
Is the self-seal strip reusable? No. Once sealed, it’s permanent. If you need to reopen, you’re cutting the envelope open.
The Verdict
Buy it if you need reliable, thick catalog envelopes at a volume-friendly price and don’t mind the kraft aesthetic. Skip it if appearance is paramount or you regularly mis-pack envelopes and need to redo seals.
At 4.2/5, the Goefun 28lb envelopes earn their rating through solid material and a seal that actually works. The scuff-prone surface and aggressive adhesive are real tradeoffs, but for utilitarian mailing tasks, this pack delivers exactly what it promises.
Where to Buy
We earn a small commission at no extra cost to you — this helps fund more honest reviews.
Last updated: 2026-08-06. Ratings and prices current as of review date. Verify on Amazon before purchasing.