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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259 Products

  • Quality Park 9 x 12 Catalog Mailing Envelopes with Redi-Seal® Self-Seal Closure - Catalog - #10 1/2 - 9" Width x 12" Length - 28 lb - Self-sealing - White - 100 / Box Quality Park Catalog Mailing Envelopes with Redi-Seal Closure - Self-Sealing - 9x12 - 100/Box
  • Business Source Kraft Envelopes - Clasp - #97 - 10" Width x 13" Length - 32 lb - Clasp - Brown Kraft - Kraft - 100 / Box
  • Business Source Heavy-duty Clasp Envelopes - Clasp - #110 - 12" Width x 15 1/2" Length - 28 lb - Clasp - Kraft - Kraft - 100 / Box
  • Quality Park 9 x 12 Clasp Envelopes with Deeply Gummed Flaps - Clasp - #90 - 9" Width x 12" Length - 28 lb - Clasp - Blue - Wove - 10 / Pack Quality Park Clasp Envelopes - #90 - 9x12 - 28 lb - Blue - Wove - 10/Pack
  • Quality Park 3-3/8 x 6 Clasp Envelopes - Clasp - 3 3/8" Width x 6" Length - 28 lb - Gummed - Brown - Kraft - 100 / Box Quality Park Clasp Envelopes - 3-3/8 x 6 Size - 28 lb - Brown Kraft - 100/Box
  • Quality Park 4 x 6-3/8 Clasp Envelopes with Deeply Gummed Flaps - Clasp - #15 - 4" Width x 6 3/8" Length - 28 lb - Gummed - Kraft - Kraft - 100 / Box Quality Park Clasp Envelopes - #15 - 4x6.375 - 28 lb - Kraft - 100/Box
  • Quality Park 9-1/2 x 12-1/2 Catalog Envelopes with Self-Seal Closure - Catalog - #12 1/2 - 9 1/2" Width x 12 1/2" Length - 28 lb - Self-sealing - Kraft - Kraft - 250 / Box
  • Quality Park 10 x 15 Clasp Envelopes with Deeply Gummed Flaps - Clasp - #98 - 10" Width x 15" Length - 28 lb - Gummed - Kraft - Kraft - 100 / Box Quality Park Clasp Envelopes - #98, 10x15, 28lb - Kraft - 100/Box
  • Quality Park 12 x 15-1/2 Catalog Mailing Envelopes with Redi-Strip® Self-Seal Closure - Catalog - #15 1/2 - 12" Width x 15 1/2" Length - 28 lb - Peel & Seal - White - Wove - 100 / Box Quality Park Catalog Mailing Envelopes with Redi-Strip Self-Seal - #15 1/2 - 12x15.5 - 28lb - White - 100/Box
  • Quality Park 9 x 12 Catalog Envelopes with Gummed Flap - Catalog - 9" Width x 12" Length - 28 lb - Gummed Flap - Gray - 250 / Box Quality Park Catalog Envelopes - 9x12, 28 lb, Gray - 250/Box
  • Quality Park 10 x 13 Catalog Envelopes with Gummed Flap - Catalog - #13 1/2 - 10" Width x 13" Length - 28 lb - Gummed - Kraft - Kraft - 100 / Box
  • Business Source Kraft Envelopes - Clasp - #90 - 9" Width x 12" Length - 32 lb - Clasp - Brown Kraft - Kraft - 100 / Box
  • Quality Park 6 x 9 Catalog Mailing Envelopes with Redi-Seal® Self-Seal Closure - Catalog - #1 - 6" Width x 9" Length - 28 lb - Self-sealing - White - Wove - 100 / Box Quality Park Catalog Mailing Envelopes with Redi-Seal Closure - 6x9 - White Wove - 100/Box
  • Quality Park 10 x 13 Clasp Envelopes in Dispenser Box - Clasp - #97 - 10" Width x 13" Length - 28 lb - Clasp - Kraft - 250 / Box Quality Park Clasp Envelopes in Dispenser Box - #97 - 10x13 - 28 lb - Kraft
  • Quality Park 10 x 13 High Bulk Clasp Envelopes with Deeply Gummed Flaps - Clasp - 10" Width x 13" Length - Gummed - Clear - Kraft - 100 / Box Quality Park Clasp Envelopes - 10x13 High Bulk, Deeply Gummed Flaps - Clear Kraft - 100/Box
  • Business Source Heavy-duty Clasp Envelopes - Clasp - #105 - 11 1/2" Width x 14 1/2" Length - 28 lb - Clasp - Brown Kraft - Kraft - 100 / Box
  • Quality Park 9-1/2 x 12-1/2 Catalog Mailing Envelopes with Redi-Seal® Self-Seal Closure - Catalog - #12 1/2 - 9 1/2" Width x 12 1/2" Length - 28 lb - Self-sealing - White - Wove - 100 / Box Quality Park Catalog Mailing Envelopes with Redi-Seal Closure - 9 1/2 x 12 1/2 - 28 lb - White - 100/Box
  • Quality Park 10 x 13 Catalog Envelopes with Self-Seal Closure - Catalog - #13 1/2 - 10" Width x 13" Length - 28 lb - Self-sealing - Kraft - Kraft - 100 / Box Quality Park Catalog Envelopes - Self-Seal Closure - 10 x 13 - 28 lb - Kraft - 100/Box
  • Quality Park 15 x 20 Jumbo Catalog Envelopes - Ungummed - Catalog - 15" Width x 20" Length - 28 lb - Kraft - Kraft - 25 / Box Quality Park Jumbo Catalog Envelopes - 15x20 - 28 lb - Kraft - 25/Box
  • Quality Park 9 x 12 Booklet Envelopes with Self-Seal Closure - Catalog - #9 1/2 - 9" Width x 12" Length - 28 lb - Peel & Seal - White - Wove - 100 / Box
  • Quality Park 9 x 12 Catalog Envelopes with Gummed Flap - Catalog - #10 1/2 - 9" Width x 12" Length - 24 lb - Gummed - White - Wove - 250 / Box Quality Park Catalog Envelopes - #10 1/2 - 9x12 - 24 lb - White - 250/Box
  • Quality Park 10 x 13 Catalog Envelopes with Self-Seal Closure - Catalog - #13 1/2 - 10" Width x 13" Length - 28 lb - Self-sealing - Kraft - Kraft - 100 / Box Quality Park Catalog Envelopes - Self-Seal Closure - 10 x 13 - 28 lb - Kraft - 100/Box
  • Quality Park 6 x 9 Catalog Envelopes with Self-Seal Closure - Catalog - #1 - 6" Width x 9" Length - 28 lb - Peel & Seal - White - Wove - 100 / Box Quality Park Catalog Envelopes - Self-Seal Closure - 6x9 - White - 100/Box
  • Quality Park 9 x 12 Booklet Envelopes with Open Side - Catalog - #9 1/2 - 9" Width x 12" Length - 28 lb - Gummed - White - 250 / Box Quality Park Catalog Envelopes - #9 1/2 - 9" x 12" - 28 lb - White - 250/Box
  • Quality Park 6 x 9 Catalog Mailing Envelopes with Redi-Strip® Self-Seal Closure - Catalog - 6" Width x 9" Length - 28 lb - Peel & Seal - Kraft - 100 / Box Quality Park Catalog Mailing Envelopes - Redi-Strip Self-Seal - 6x9 - Kraft - 100/Box
  • 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 Self-Seal Kraft Catalog Envelopes, #5-1/2, 12x15.5 - 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 Catalog Envelopes with Redi-Seal Closure - #13 1/2 - 10" x 13" - 28 lb - 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 Catalog Envelopes with Redi-Strip Closure - 9x12 - 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 Catalog Mailing Envelopes - #1 Size, 6x9 - 28 lb Kraft - 100/Box