Envelopes - Mill Brand Envelopes listed by Size

Find Mill Brand envelopes in small and bulk quantities in the size you want.

Buy envelopes by size

Find the best envelope size for your projects in our list below. Whether you need envelopes to fit your direct mail project, wedding invitations, company stationery, craft projects or any project we have the size you need. If we don't have the size you need we help with special envelope size requests to create the exact sheet size you want. Add the envelopes of your choice to your shopping cart for easy checkout.

Envelope Size and Style Information

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We are pleased to offer top quality and low cost envelope printing services on any of our brand name envelopes.

View Your Envelopes by Size

Translucent Announcement Envelopes A2 Envelopes - 4 3/8 x 5 3/4 A6 Envelopes - 4 3/4 x 6 1/2 A7 Envelopes - 5 1/4 x 7 1/4	Uncoated Announcement Envelopes A2 Envelopes - 4 3/8 x 5 3/4 A6 Envelopes - 4 3/4 x 6 1/2 A7 Envelopes - 5 1/4 x 7 1/4 A8 Envelopes - 5 1/2 x 8 1/8 A10 Envelopes - 6 x 9 1/2 Monarch Envelopes Baronial Envelopes Lee Envelopes Large 9 x 12 Envelopes Strathmore Envelope Collection	Metallic Announcement Envelopes A2 Envelopes - 4 3/8 x 5 3/4 A6 Envelopes - 4 3/4 x 6 1/2 A7 Envelopes - 5 1/4 x 7 1/4
Translucent Stationery Envelopes No. 10 Envelopes - 4 1/8 x 9 1/2	Uncoated Stationery Envelopes No. 10 Envelopes - 4 1/8 x 9 1/2 No. 10 Window Envelopes Strathmore Collection No. 10 Envelopes	Metallic Stationery Envelopes No. 10 Envelopes - 4 1/8 x 9 1/2
Translucent Square Envelopes • 5 x 5 square • 5 1/2 x 5 1/2 square • 6 x 6 square • 6 1/2 x 6 1/2 square • 7 x 7 square • 7 1/2 x 7 1/2 square • 8 x 8 square • 8 1/2 x 8 1/2 square • 9 x 9 square • 9 1/2 x 9 1/2 square	Uncoated Square Envelopes Square Envelopes - 5 1/2 & 6 1/2 All Square Envelopes (5" to 9 1/2")	Metallic Square Envelopes Square Envelopes 6 1/2 x 6 1/2 All Square Envelopes (5" to 9 1/2")
Translucent Mini Envelopes Mini Envelopes - 3 5/8 x 2 1/8	Uncoated Recycled Envelopes Recycled Envelopes	FSC Envelopes FSC Envelopes FSC = Forest Stewardship Council

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Frequently Asked Questions