Envelopes

Envelopes

Keep your correspondence organized and professional with our wide selection of high-quality envelopes, perfect for offices, schools, government institutions, and business mailrooms. Whether you’re sending invoices, statements, marketing materials, or confidential documents, our envelopes ensure secure sealing, neat presentation, and reliable protection during transit.

Explore a full range of business envelopes, window envelopes, catalog envelopes, and padded mailers, available in multiple sizes, colors, and closure styles to suit every mailing need. Our bulk envelope options deliver excellent value for high-volume operations while maintaining professional standards in design and durability.

From self-seal and gummed envelopes to custom-print and eco-friendly options, you’ll find the ideal solution to keep your office mail efficient and polished. Choose envelopes that reflect your brand’s professionalism and meet your everyday mailing demands—all at competitive wholesale prices.

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269 Products

  • Quality Park 9 x 12 Ship-Lite® First Class Mail Catalog Envelopes with Self-Seal Closure - First Class Mail - 9" Width x 12" Length - Self-sealing - White - 100 / Box
  • Quality Park 12 x 15-1/2 Catalog Envelopes with Self-Seal Closure - Catalog - #5-1/2 - 12" Width x 15 1/2" Length - 28 lb - Self-sealing - Kraft - Kraft - 100 / Box Quality Park 12 x 15-1/2 Catalog Envelopes with Self-Seal Closure - Catalog - #5-1/2 - 12" Width x 15 1/2" Length - 28 lb - Self-sealing - Kraft - Kraft - 100 / Box
  • Quality Park 10 x 13 Catalog Envelopes with Redi-Seal® Self-Sealing Closure - Catalog - #13 1/2 - 10" Width x 13" Length - 28 lb - Self-sealing - White - 100 / Box Quality Park 10 x 13 Catalog Envelopes with Redi-Seal® Self-Sealing Closure - Catalog - #13 1/2 - 10" Width x 13" Length - 28 lb - Self-sealing - White - 100 / Box
  • Quality Park 9 x 12 Catalog Envelopes with Redi-Strip® Closure - Catalog - #10 1/2 - 9" Width x 12" Length - 28 lb - Peel & Seal - White - Wove - 100 / Box Quality Park 9 x 12 Catalog Envelopes with Redi-Strip® Closure - Catalog - #10 1/2 - 9" Width x 12" Length - 28 lb - Peel & Seal - White - Wove - 100 / Box
  • Quality Park 6 x 9 Catalog Mailing Envelopes - Catalog - #1 - 6" Width x 9" Length - 28 lb - Gummed - Kraft - Kraft - 100 / Box Quality Park 6 x 9 Catalog Mailing Envelopes - Catalog - #1 - 6" Width x 9" Length - 28 lb - Gummed - Kraft - Kraft - 100 / Box
  • Quality Park 6 x 9 Booklet Envelopes with Open Side for Easy Insertion - Catalog - #6 1/2 - 6" Width x 9" Length - 24 lb - Gummed - White - 100 / Box Quality Park 6 x 9 Booklet Envelopes with Open Side for Easy Insertion - Catalog - #6 1/2 - 6" Width x 9" Length - 24 lb - Gummed - White - 100 / Box
  • Quality Park 12 x 15-1/2 Catalog Envelopes - Catalog - #15 1/2 - 12" Width x 15 1/2" Length - 28 lb - Gummed - Kraft - Kraft - 100 / Box Quality Park 12 x 15-1/2 Catalog Envelopes - Catalog - #15 1/2 - 12" Width x 15 1/2" Length - 28 lb - Gummed - Kraft - Kraft - 100 / Box
  • Quality Park 12-1/2 x 18-1/2 Jumbo Kraft Envelopes - Ungummed - Catalog - 12 1/2" Width x 18 1/2" Length - 28 lb - Kraft - Kraft - 25 / Pack Quality Park 12-1/2 x 18-1/2 Jumbo Kraft Envelopes - Ungummed - Catalog - 12 1/2" Width x 18 1/2" Length - 28 lb - Kraft - Kraft - 25 / Pack
  • Quality Park 6 x 9 Catalog Envelopes - Catalog - 6" Width x 9" Length - 28 lb - Gummed - Kraft - Kraft - 500 / Box Quality Park 6 x 9 Catalog Envelopes - Catalog - 6" Width x 9" Length - 28 lb - Gummed - Kraft - Kraft - 500 / Box
  • Quality Park 6-1/2 x 9-1/2 Catalog Mailing Envelopes with Redi-Seal® Self-Seal Closure - Catalog - #1 3/4 - 6 1/2" Width x 9 1/2" Length - 28 lb - Self-sealing - White - Wove - 100 / Box Quality Park 6-1/2 x 9-1/2 Catalog Mailing Envelopes with Redi-Seal® Self-Seal Closure - Catalog - #1 3/4 - 6 1/2" Width x 9 1/2" Length - 28 lb - Self-sealing - White - Wove - 100 / Box
  • Business Source Durable Open-End Catalog Envelopes - Catalog - #1 3/4 - 6 1/2" Width x 9 1/2" Length - 24 lb - Gummed - White - Wove - 500 / Box
  • Quality Park 9 x 12 Treated, Security Tinted Catalog Envelopes with Redi-Strip® Closure - Catalog - 9" Width x 12" Length - 28 lb - Flap - White - 100 / Box
  • Business Source Press/Seal Catalog Envelopes - Catalog - 10" Width x 13" Length - 28 lb - Self-sealing - White - 100 / Box
  • Business Source Self-Seal 6"x9" Catalog Envelopes - Catalog - 6" Width x 9" Length - 28 lb - Self-sealing - White - Wove - 100 / Box
  • Business Source Press-To-Seal Catalog Envelopes - Catalog - 9" Width x 12" Length - 28 lb - Self-sealing - Brown Kraft - Kraft - 100 / Box
  • Business Source 28 lb. White Catalog Envelopes - Catalog - #13 1/2 - 10" Width x 13" Length - 28 lb - Gummed - White - Wove - 250 / Box
  • Business Source Self Adhesive Kraft Catalog Envelopes - Catalog - 9" Width x 12" Length - 28 lb - Self-sealing - Brown Kraft - Kraft - 250 / Box
  • Business Source Durable Kraft Catalog Envelopes - Catalog - 6" Width x 9" Length - 24 lb - Gummed - Kraft - Kraft - 500 / Box Business Source Durable Kraft Catalog Envelopes - Catalog - 6" Width x 9" Length - 24 lb - Gummed - Kraft - Kraft - 500 / Box
  • Quality Park 6-1/2 x 9-1/2 Catalog Mailing Envelopes with Redi-Strip® Self-Seal Closure - Catalog - 6 1/2" Width x 9 1/2" Length - 28 lb - Peel & Seal - White - Wove - 100 / Box Quality Park 6-1/2 x 9-1/2 Catalog Mailing Envelopes with Redi-Strip® Self-Seal Closure - Catalog - 6 1/2" Width x 9 1/2" Length - 28 lb - Peel & Seal - White - Wove - 100 / Box
  • Quality Park 10 x 13 Hi Bulk Catalog Envelopes with Self-Seal Closure - Catalog - 10" Width x 13" Length - 24 lb - Peel & Seal - Brown Kraft - Kraft - 250 / Carton Quality Park 10 x 13 Hi Bulk Catalog Envelopes with Self-Seal Closure - Catalog - 10" Width x 13" Length - 24 lb - Peel & Seal - Brown Kraft - Kraft - 250 / Carton
  • Business Source Press/Seal Catalog Envelopes - Catalog - 9" Width x 12" Length - 28 lb - Self-sealing - White - 100 / Box
  • Quality Park 9 x 12 Catalog Mailing Envelopes with Redi-Strip® Self-Seal Closure - Catalog - 9" Width x 12" Length - 28 lb - Peel & Seal - White - 100 / Box Quality Park 9 x 12 Catalog Mailing Envelopes with Redi-Strip® Self-Seal Closure - Catalog - 9" Width x 12" Length - 28 lb - Peel & Seal - White - 100 / Box
  • Business Source Durable Kraft Catalog Envelopes - Document - #10 1/2 - 9" Width x 12" Length - 24 lb - Gummed - Kraft - Kraft - 250 / Box
  • Business Source Kraft Gummed Catalog Envelopes - Catalog - #10 1/2 - 9" Width x 12" Length - 28 lb - Gummed - Kraft - Kraft - 250 / Box Business Source Kraft Gummed Catalog Envelopes - Catalog - #10 1/2 - 9" Width x 12" Length - 28 lb - Gummed - Kraft - Kraft - 250 / Box
  • Quality Park 6 x 9 Booklet Envelopes with Open Side - Booklet - #6 1/2 - 6" Width x 9" Length - 24 lb - Gummed - White - Paper - 500 / Box Quality Park 6 x 9 Booklet Envelopes with Open Side - Booklet - #6 1/2 - 6" Width x 9" Length - 24 lb - Gummed - White - Paper - 500 / Box
  • Business Source Self Sealing Catalog Envelope - Catalog - 9" Width x 12" Length - 28 lb - Peel & Seal - White - Wove - 100 / Box Business Source Self Sealing Catalog Envelope - Catalog - 9" Width x 12" Length - 28 lb - Peel & Seal - White - Wove - 100 / Box
  • Business Source Self Sealing Catalog Envelopes - Catalog - 10" Width x 13" Length - 28 lb - Peel & Seal - White - Wove - 100 / Box Business Source Self Sealing Catalog Envelopes - Catalog - 10" Width x 13" Length - 28 lb - Peel & Seal - White - Wove - 100 / Box
  • Quality Park 11-1/2 x 14-1/2 Catalog Envelopes with Self-Seal Closure - Catalog - 11 1/2" Width x 14 1/2" Length - 28 lb - Peel & Seal - White - Wove - 100 / Box Quality Park 11-1/2 x 14-1/2 Catalog Envelopes with Self-Seal Closure - Catalog - 11 1/2" Width x 14 1/2" Length - 28 lb - Peel & Seal - White - Wove - 100 / Box
  • Business Source Kraft Gummed Catalog Envelopes - Catalog - #13 1/2 - 10" Width x 13" Length - 28 lb - Gummed - Kraft - Kraft - 250 / Box
  • Business Source Kraft Gummed Catalog Envelopes - Catalog - 10" Width x 15" Length - 28 lb - Gummed - Brown Kraft - Kraft - 250 / Box