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 9-1/2 x 12-1/2 Clasp Envelopes with Deeply Gummed Flaps - Clasp - #93 - 9 1/2" Width x 12 1/2" Length - 28 lb - Gummed - Kraft - Kraft - 100 / Box Quality Park Clasp Envelopes - #93, 9.5x12.5, 28lb Kraft - 100/Box
  • Quality Park 9-1/4 x 14-1/2 Clasp Envelopes with Deeply Gummed Flaps - Clasp - #94 - 9 1/4" Width x 14 1/2" Length - 28 lb - Gummed - Kraft - Kraft - 100 / Box Quality Park Clasp Envelopes - #94 - 9-1/4 x 14-1/2 - 28 lb - Kraft - 100/Box
  • Quality Park No. 10 Single Window Security Tinted Business Envelopes - Single Window - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Gummed - White - Wove - 500 / Box
  • Quality Park 5 x 7-1/2 Clasp Envelopes with Deeply Gummed Flaps - Clasp - #35 - 5" Width x 7 1/2" Length - 28 lb - Gummed - Kraft - Kraft - 100 / Box Quality Park Clasp Envelopes - #35 - 5x7.5 - 28 lb - Kraft - 100/Box
  • Business Source Heavy Duty Clasp Envelope - Clasp - 3 3/8" Width x 6" Length - 28 lb - Clasp - Brown Kraft - Kraft - 100 / Box
  • Quality Park No. 10 Business Envelopes with Self Seal Closure - Business - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Self-sealing - White - 500 / Box Quality Park No. 10 Business Envelopes - Self Seal Closure - White - 500/Box
  • Business Source No. 8-5/8 Business Check Envelopes - Double Window - #8 5/8 - 8 5/8" Width x 3 5/8" Length - 24 lb - Gummed - White - Wove - 500 / Box
  • Business Source No. 10 Self-seal Invoice Envelopes - Business - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Self-sealing - White - 500 / Box
  • Quality Park No. 10 Business Envelopes with Gummed Closure and Diagonal Seam - Business - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Gummed - White - Wove - 500 / Box Quality Park Business Envelopes - #10, 4 1/8" x 9 1/2", 24 lb, White, Wove - 500/Box
  • Quality Park No. 8-5/8 Double Window Security Tint Envelopes with Redi-Seal® Self-Seal - Double Window - #8 5/8 - 3 5/8" Width x 8 5/8" Length - 24 lb - Self-sealing - White - Wove - 500 / Box Quality Park Double Window Security Envelopes - Redi-Seal Self-Seal - #8 5/8 - 24 lb - White - 500/Box
  • Quality Park 6 x 9 Extra Heavy-duty Kraft Clasp Envelopes - Clasp - #55 - 6" Width x 9" Length - 32 lb - Gummed - Kraft - Kraft - 100 / Box Quality Park Extra Heavy-duty Kraft Clasp Envelopes - #55 - 6x9 - 32 lb - 100/Box
  • Quality Park 9 x 12 Clasp Envelopes with Deeply Gummed Flaps - Clasp - #90 - 9" Width x 12" Length - 28 lb - Clasp - Red - Paper - 10 / Pack Quality Park Clasp Envelopes - #90 - 9x12 - 28 lb - Red - 10/Pack
  • Quality Park No. 11 Brown Kraft Business Envelopes - Business - #11 - 4 1/2" Width x 10 3/8" Length - 28 lb - Gummed - Kraft - Kraft - 500 / Box Quality Park No. 11 Brown Kraft Business Envelopes - 500/Box
  • Business Source No. 10 White Wove V-Flap Business Envelopes - Business - #10 - 9 1/2" Width x 4 1/8" Length - 24 lb - Gummed - White - Wove - 500 / Box
  • Mead No. 6-3/4 All-purpose White Envelopes - Business - #6 3/4 - 3 5/8" Width x 6 1/2" Length - Self-sealing - White - 65 / Box
  • Business Source Plain Peel/Seal Business Envelopes - Business - #10 - 9 1/2" Width x 4 1/8" Length - 24 lb - Peel & Seal - White - Wove - 500 / Box Business Source Plain Peel/Seal Envelopes - #10 Size, 24 lb - White Wove - 500/Box
  • Business Source Heavy-duty Clasp Envelopes - Clasp - #90 - 9" Width x 12" Length - 28 lb - Clasp - Kraft - Kraft - 100 / Box Business Source Heavy-duty Clasp Envelopes - #90 - 9x12 - 28 lb - Kraft - 100/Box
  • Quality Park No. 10 Single Window Security Tinted with Reveal-N-Seal® Self-Seal Closure - Single Window - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - White - 500 / Box Quality Park No. 10 Security Envelopes with Self-Seal Closure - 500/Box
  • Quality Park 10 x 12 Clasp Envelopes with Deeply Gummed Flaps - Clasp - #95 - 10" Width x 12" Length - 28 lb - Gummed - Kraft - Kraft - 100 / Box Quality Park Clasp Envelopes - #95 - 10x12 - 28 lb - Kraft - 100/Box
  • Business Source Heavy-duty Clasp Envelopes - Clasp - #75 - 7 1/2" Width x 10 1/2" Length - 28 lb - Clasp - Kraft - Kraft - 100 / Box
  • Business Source No. 10 Peel-to-seal Security Envelopes - Business - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Peel & Seal - White - Wove - 100 / Box Business Source #10 Peel-to-Seal Security Envelopes - Pack of 100
  • Quality Park No. 10 Treated Security Envelopes with Redi-Strip® Self-Sealing Closure - Business - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Peel & Seal - White - 500 / Box Quality Park No. 10 Security Envelopes - Redi-Strip Self-Sealing - Business - White - 500/Box
  • Business Source Regular Tint Peel/Seal Envelopes - Business - #10 - 9 1/2" Width x 4 1/8" Length - 24 lb - Peel & Seal - White - Wove - 500 / Box Business Source #10 Envelopes - Peel & Seal - White Wove - 500/Box
  • Business Source Regular Business Envelopes - Commercial - #10 - 9 1/2" Width x 4 1/8" Length - 24 lb - Gummed - White - Wove - 500 / Box Business Source #10 Commercial Envelopes - 24 lb - White - 500/Box
  • Quality Park Redi Strip Security Mailing Envelopes - Multipurpose - 9" Width x 12" Length - Peel Strip - White - 100 / Box Quality Park Redi Strip Security Envelopes - 9x12 - White - 100/Box
  • Business Source No. 6-3/4 White Wove V-Flap Business Envelopes - Business - #6 3/4 - 3 3/5" Width x 6 1/2" Length - 24 lb - Gummed - White - Wove - 500 / Box
  • Quality Park Clasp Envelopes with Gummed Flap - Clasp - #105 - 11 1/2" Width x 14 1/2" Length - 28 lb - Clasp - Brown - Kraft - 100 / Box Quality Park Clasp Envelopes - #105 - 11.5" x 14.5" - 28 lb - Brown Kraft - 100/Box
  • Classic Crest Commercial Flap Envelopes - Commercial - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Flap - Natural White - 500 / Box
  • Quality Park No. 10 Double Window Security Tint Business Envelopes with Self-Seal Closure - Security - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Gummed - White - Wove - 500 / Box Quality Park No. 10 Double Window Security Envelopes - Self-Seal Closure - 500/Box
  • Quality Park No. 10 Business Envelopes with Gummed Flap - Business - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Gummed - White - Wove - 1000 / Box Quality Park Business Envelopes - #10, 4 1/8" x 9 1/2" - 24 lb - White - Wove - 1000/Box