--- type: faq-hub title: "Envelopes" description: "Envelope FAQ: USPS compatible sizes, best papers, adhesives for handmade envelopes and yield per sheet." resource: https://www.4over4.com/faqs/envelopes tags: ["faq-hub"] generated: by: "process:4over4-mapp-build" at: 2026-10-20T21:15:07.567Z timestamp: 2026-10-20T21:15:07.567Z sources: - resource: https://www.4over4.com/faqs/envelopes title: "Envelopes" status: stable --- # Envelopes Envelope FAQ: USPS compatible sizes, best papers, adhesives for handmade envelopes and yield per sheet. 38 answers about envelopes. - [How do I make sure my envelopes are USPS compatible?](https://www.4over4.com/faqs/envelopes/how-do-i-make-sure-my-envelopes-are-usps-compatible) - [What adhesive works best for sealing handmade envelopes?](https://www.4over4.com/faqs/envelopes/what-adhesive-works-best-for-sealing-handmade-envelopes) - [How many envelopes can I make from one sheet of paper?](https://www.4over4.com/faqs/envelopes/how-many-envelopes-can-i-make-from-one-sheet-of-paper) - [What paper weight works best for handmade envelopes?](https://www.4over4.com/faqs/envelopes/what-paper-weight-works-best-for-handmade-envelopes) - [Can I mail handmade envelopes through USPS?](https://www.4over4.com/faqs/envelopes/can-i-mail-handmade-envelopes-through-usps) - [How do I keep my envelopes from coming unglued in the mail?](https://www.4over4.com/faqs/envelopes/how-do-i-keep-my-envelopes-from-coming-unglued-in-the-mail) - [What size envelope fits a standard greeting card?](https://www.4over4.com/faqs/envelopes/what-size-envelope-fits-a-standard-greeting-card) - [Can I print on envelopes with a home printer?](https://www.4over4.com/faqs/envelopes/can-i-print-on-envelopes-with-a-home-printer) - [Is it cheaper to make envelopes or buy them pre-made?](https://www.4over4.com/faqs/envelopes/is-it-cheaper-to-make-envelopes-or-buy-them-pre-made) - [When should I switch from handmade to professionally printed envelopes?](https://www.4over4.com/faqs/envelopes/when-should-i-switch-from-handmade-to-professionally-printed-envelopes) - [Should I hand-write or print the addresses on my envelopes?](https://www.4over4.com/faqs/envelopes/should-i-hand-write-or-print-the-addresses-on-my-envelopes) - [Do I need to include a return envelope with my Response Cards?](https://www.4over4.com/faqs/envelopes/do-i-need-to-include-a-return-envelope-with-my-response-cards) - [How big is a number 10 envelope?](https://www.4over4.com/faqs/business-stationery/how-big-is-a-number-10-envelope) - [Invitation Envelope Size Guide](https://www.4over4.com/faqs/business-stationery/invitation-envelope-size-guide) - [Is a Peal n Seal envelope considered a self seal envelope?](https://www.4over4.com/faqs/business-stationery/is-a-peal-n-seal-envelope-considered-a-self-seal-envelope) - [What are 2-way 6 3/4 Remittance Envelopes?](https://www.4over4.com/faqs/business-stationery/what-are-2-way-6-3-4-remittance-envelopes) - [What are security tint envelopes?](https://www.4over4.com/faqs/business-stationery/what-are-security-tint-envelopes) - [What is a Donation Envelope?](https://www.4over4.com/faqs/business-stationery/what-is-a-donation-envelope) - [What is a Flip-Stik flap?](https://www.4over4.com/faqs/business-stationery/what-is-a-flip-stik-flap) - [What is a Side Seam envelope and how does it differ from a Diagonal Seam envelope?](https://www.4over4.com/faqs/business-stationery/what-is-a-side-seam-envelope-and-how-does-it-differ-from-a-diagonal-seam-envelope) - [What is the biggest size my invitation can be to fit into an A7 envelope?](https://www.4over4.com/faqs/business-stationery/what-is-the-biggest-size-my-invitation-can-be-to-fit-into-an-a7-envelope) - [What is the difference between a # 6 3/4 Regular envelope and a # 6 3/4 Remittance envelope?](https://www.4over4.com/faqs/business-stationery/what-is-the-difference-between-a--6-3-4-regular-envelope-and-a--6-3-4-remittance-envelope) - [What is the difference between a # 6 3/4 Remittance and #9 Remittance Envelope?](https://www.4over4.com/faqs/business-stationery/what-is-the-difference-between-a--6-3-4-remittance-and-9-remittance-envelope) - [What is the difference between a #9 Regular envelope and a #9 Remittance envelope?](https://www.4over4.com/faqs/business-stationery/what-is-the-difference-between-a-9-regular-envelope-and-a-9-remittance-envelope) ## Didn't find your answer? Our team replies within 24 hours. [Submit a ticket](https://www.4over4.com/company/contact)