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 Booklet Envelopes with Deeply Gummed Flap and Open Side - Booklet - #9 1/2 - 9" Width x 12" Length - 28 lb - Gummed - White - Paper - 100 / Box Quality Park 9 x 12 Booklet Envelopes with Deeply Gummed Flap and Open Side - Booklet - #9 1/2 - 9" Width x 12" Length - 28 lb - Gummed - White - Paper - 100 / Box
  • Business Source 28 lb. White Catalog Envelopes - Catalog - #10 1/2 - 9" Width x 12" Length - 28 lb - Gummed - White - Wove - 250 / Box Business Source 28 lb. White Catalog Envelopes - Catalog - #10 1/2 - 9" Width x 12" Length - 28 lb - Gummed - White - Wove - 250 / Box
  • Business Source Press/Seal Catalog Envelopes - Catalog - 6" Width x 9" 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 - 24 lb - Peel & Seal - Brown Kraft - Kraft - 250 / Carton Quality Park 9 x 12 Catalog Mailing Envelopes with Redi-Strip® Self Seal Closure - Catalog - 9" Width x 12" Length - 24 lb - Peel & Seal - Brown Kraft - Kraft - 250 / Carton
  • Business Source Kraft Gummed Catalog Envelopes - Catalog - #12 1/2 - 9 1/2" Width x 12 1/2" Length - 28 lb - Gummed - Brown Kraft - Kraft - 250 / Box
  • Quality Park 9 x 12 Hi Bulk Catalog Envelopes with Self-Seal Closure - Catalog - 9" Width x 12" Length - 24 lb - Self-sealing Flap - Brown Kraft - Kraft - 100 / Box Quality Park 9 x 12 Hi Bulk Catalog Envelopes with Self-Seal Closure - Catalog - 9" Width x 12" Length - 24 lb - Self-sealing Flap - Brown Kraft - Kraft - 100 / Box
  • Quality Park 17 x 22 Jumbo Catalog Envelopes - Ungummed - Catalog - 17" Width x 22" Length - 28 lb - Kraft - Kraft - 25 / Box Quality Park 17 x 22 Jumbo Catalog Envelopes - Ungummed - Catalog - 17" Width x 22" Length - 28 lb - Kraft - Kraft - 25 / Box
  • Quality Park 9 x 12 Catalog Mailing Envelopes with Redi-Strip® Self-Seal Closure - Catalog - 9" Width x 12" Length - 24 lb - Peel & Seal - Kraft - 100 / Box Quality Park 9 x 12 Catalog Mailing Envelopes with Redi-Strip® Self-Seal Closure - Catalog - 9" Width x 12" Length - 24 lb - Peel & Seal - Kraft - 100 / Box
  • Business Source Press-To-Seal Catalog Envelopes - Catalog - 10" Width x 13" Length - 28 lb - Self-sealing - Brown Kraft - Kraft - 100 / Box
  • Business Source Self Adhesive Kraft Catalog Envelopes - Catalog - 10" Width x 13" Length - 28 lb - Self-sealing - Brown Kraft - Kraft - 250 / Box
  • Quality Park 10 x 13 Treated Inter-Departmental Envelopes - Inter-department - #13 1/2 - 10" Width x 13" Length - 28 lb - String/Button - White - 100 / Box Quality Park 10 x 13 Treated Inter-Departmental Envelopes - Inter-department - #13 1/2 - 10" Width x 13" Length - 28 lb - String/Button - White - 100 / Box
  • Quality Park 10 x 13 Inter-Departmental Envelopes - Inter-department - 10" Width x 13" Length - 28 lb - String/Button - Blue - 100 / Box Quality Park 10 x 13 Inter-Departmental Envelopes - Inter-department - 10" Width x 13" Length - 28 lb - String/Button - Blue - 100 / Box
  • Quality Park 10 x 13 Inter-Departmental Envelopes - Inter-department - 10" Width x 13" Length - 28 lb - String/Button - Red - 100 / Box
  • Quality Park 9 x 12 Inter-Departmental Envelopes - Inter-department - 9" Width x 12" Length - 28 lb - String/Button - Brown Kraft - Kraft - 100 / Box
  • Business Source Ruled Interdepartmental Envelopes - Inter-department - #32 - 10" Width x 15" Length - 32 lb - String/Button - Brown Kraft - Kraft - 100 / Box
  • Quality Park 10 x 13 Personal and Confidential Inter-Departmental Envelopes - Inter-department - 10" Width x 13" Length - 28 lb - Gummed - Gray, Red, Blue - Kraft - 100 / Box Quality Park 10 x 13 Personal and Confidential Inter-Departmental Envelopes - Inter-department - 10" Width x 13" Length - 28 lb - Gummed - Gray, Red, Blue - Kraft - 100 / Box
  • Business Source 2-sided Inter-Department Envelopes - Inter-department - 10" Width x 13" Length - 28 lb - String/Button - Kraft - Kraft - 100 / Box Business Source 2-sided Inter-Department Envelopes - Inter-department - 10" Width x 13" Length - 28 lb - String/Button - Kraft - Kraft - 100 / Box
  • Quality Park 10 x 13 Inter-Departmental Envelopes with Resealable Closure - Inter-department - 10" Width x 13" Length - 32 lb - Self-sealing - Light Brown - Kraft - 100 / Box Quality Park 10 x 13 Inter-Departmental Envelopes with Resealable Closure - Inter-department - 10" Width x 13" Length - 32 lb - Self-sealing - Light Brown - Kraft - 100 / Box
  • Quality Park 10 x 13 Inter-Departmental Envelopes - Inter-department - 10" Width x 13" Length - 28 lb - String/Button - Brown Kraft - Kraft - 100 / Box Quality Park 10 x 13 Inter-Departmental Envelopes - Inter-department - 10" Width x 13" Length - 28 lb - String/Button - Brown Kraft - Kraft - 100 / Box
  • Quality Park 10 x 13 Double Sided Inter-Departmental Envelope - Inter-department - 10" Width x 13" Length - 28 lb - String/Button - Brown Kraft - Kraft - 100 / Box
  • Quality Park 10 x 13 Inter-Departmental Envelopes - Inter-department - 10" Width x 13" Length - 28 lb - String/Button - Kraft - Kraft - 100 / Box
  • Quality Park 10 x 13 Inter-Departmental Envelopes - Inter-department - 10" Width x 13" Length - 28 lb - String/Button - Yellow - 100 / Box Quality Park 10 x 13 Inter-Departmental Envelopes - Inter-department - 10" Width x 13" Length - 28 lb - String/Button - Yellow - 100 / Box
  • Quality Park No. 9 Double Window Security Tint Envelopes with Redi-Seal® Self-Seal - Double Window - #9 - 3 7/8" Width x 8 7/8" Length - 24 lb - Self-sealing - White - Wove - 500 / Box Quality Park No. 9 Double Window Security Tint Envelopes with Redi-Seal® Self-Seal - Double Window - #9 - 3 7/8" Width x 8 7/8" Length - 24 lb - Self-sealing - White - Wove - 500 / Box
  • Quality Park No. 10 Single Window Business Envelopes with Embossed Ridges - Single Window - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Gummed - White - Poly - 500 / Box Quality Park No. 10 Single Window Business Envelopes with Embossed Ridges - Single Window - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Gummed - White - Poly - 500 / Box
  • Business Source No. 10 Diagonal Seam Window Envelopes - Single Window - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Gummed - White - Wove - 500 / Box Business Source No. 10 Diagonal Seam Window Envelopes - Single Window - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Gummed - White - Wove - 500 / Box
  • Business Source Double Window No. 8-5/8 Check Envelopes - Double Window - #8 5/8 - 8 5/8" Width x 3 5/8" Length - 24 lb - Self-sealing - White - 500 / Box Business Source Double Window No. 8-5/8 Check Envelopes - Double Window - #8 5/8 - 8 5/8" Width x 3 5/8" Length - 24 lb - Self-sealing - White - 500 / Box
  • Quality Park No. 9 Business Envelopes with Gummed Flap - Business - #9 - 3 7/8" Width x 8 7/8" Length - 24 lb - Gummed - White - Wove - 500 / Box
  • Business Source No. 10 Double-Window Invoice Envelopes - Double Window - #10 - 9 1/2" Width x 4 1/8" Length - 24 lb - Gummed - White - Wove - 500 / Box Business Source No. 10 Double-Window Invoice Envelopes - Double Window - #10 - 9 1/2" Width x 4 1/8" Length - 24 lb - Gummed - White - Wove - 500 / Box
  • Quality Park No. 9 Double Window Envelopes with Tamper-Evident Seal - Double Window - #9 - 3 7/8" Width x 8 7/8" Length - 24 lb - Self-sealing - White - 500 / Box Quality Park No. 9 Double Window Envelopes with Tamper-Evident Seal - Double Window - #9 - 3 7/8" Width x 8 7/8" Length - 24 lb - Self-sealing - White - 500 / Box
  • Quality Park No. 12 Envelopes - Business - #12 - 4 3/4" Width x 11" Length - 28 lb - Adhesive - Kraft - Kraft - 500 / Box Quality Park No. 12 Envelopes - Business - #12 - 4 3/4" Width x 11" Length - 28 lb - Adhesive - Kraft - Kraft - 500 / Box