Collection: Envelopes

Discover premium envelopes at SupplySphere, designed to meet all your office and school supply needs with style and reliability. Crafted for both everyday use and important correspondence, these envelopes combine practical durability with a refined look, ensuring your documents arrive securely and professionally. Elevate your organizational essentials with a selection that balances quality and function, making every mailing experience seamless and impressive.

Digital Shipping Scale, 86 lbs/0.1oz Highly Accurate Postal Scale for Packages with Hold/Tare/Separate LCD Display，Stainless Steel Postage Scale，Package Scale for Small Business, Mail Scale

Digital Shipping Scale, 86 lbs/0.1oz Highly Accurate Postal Scale for Packages with Hold/Tare/Separate LCD Display，Stainless Steel Postage Scale，Package Scale for Small Business, Mail Scale

Regular price $44.99 USD

Regular price $44.99 USD Sale price
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IdealSeal Envelope Liquid Moistener and Sealer - High-Efficiency, No-Mix Sealing Solution for Postage Machine and Mailing Systems - 64 oz

IdealSeal Envelope Liquid Moistener and Sealer - High-Efficiency, No-Mix Sealing Solution for Postage Machine and Mailing Systems - 64 oz

Regular price $44.64 USD

Regular price $44.64 USD Sale price
Unit price per
Columbian #10 Security Envelopes, 500/Box, No Window, 4-1/8 x 9-1/2 Inches, Release & Seal Self Seal, White (COLO151)

Columbian #10 Security Envelopes, 500/Box, No Window, 4-1/8 x 9-1/2 Inches, Release & Seal Self Seal, White (COLO151)

Regular price $34.92 USD

Regular price $34.92 USD Sale price
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660lb Industrial Floor Platform Scale with 90°-135° Rotate Double Sided Display Weight Computing Digital Scale Platform Scale LB/KG for Luggage Shipping Package Computing

660lb Industrial Floor Platform Scale with 90°-135° Rotate Double Sided Display Weight Computing Digital Scale Platform Scale LB/KG for Luggage Shipping Package Computing

Regular price $186.00 USD

Regular price $186.00 USD Sale price
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440lb Postal Scale,10g Accuracy Digital Shipping Scale for Packages with Backlit LCD,Alloy Steel Platform,USB-A/Battery Power,Tare/Hold/Auto-Off,Mail Scale for Small Business Postage Weighing

440lb Postal Scale,10g Accuracy Digital Shipping Scale for Packages with Backlit LCD,Alloy Steel Platform,USB-A/Battery Power,Tare/Hold/Auto-Off,Mail Scale for Small Business Postage Weighing

Regular price $68.99 USD

Regular price $68.99 USD Sale price
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Charmline 660lbs x 0.2oz High Accuracy Digital Postal Scales, Shipping Scale with 15x12 Stainless Steel Platform, Heavy Duty Scale for Packages/Small Business/Postage/Luggage

Charmline 660lbs x 0.2oz High Accuracy Digital Postal Scales, Shipping Scale with 15x12 Stainless Steel Platform, Heavy Duty Scale for Packages/Small Business/Postage/Luggage

Regular price $74.24 USD

Regular price $74.24 USD Sale price
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Charmline 660lbs x 0.2oz High Accuracy Digital Postal Scale, Shipping Scale with 21x17 Large Stainless Steel Platform, Heavy Duty Scale for Packages/Dog/Postage/Luggage, Battery & AC Adapter Powered

Charmline 660lbs x 0.2oz High Accuracy Digital Postal Scale, Shipping Scale with 21x17 Large Stainless Steel Platform, Heavy Duty Scale for Packages/Dog/Postage/Luggage, Battery & AC Adapter Powered

Regular price $157.45 USD

Regular price $157.45 USD Sale price
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INTSUPERMAI 110V Automatic Paper Folding Machine, 4 Folding Plates, Multiple Folding Forms, Max Speed 262ft/min, Z Fold Paper Folding Machine for Manuals Document Business Letters

INTSUPERMAI 110V Automatic Paper Folding Machine, 4 Folding Plates, Multiple Folding Forms, Max Speed 262ft/min, Z Fold Paper Folding Machine for Manuals Document Business Letters

Regular price $1,312.50 USD

Regular price $1,312.50 USD Sale price
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9x12 Expanding Manila Envelopes with Clasp 25 Pack, Goefun 180 GSM Heavyweight Expandable Manilla Folders 8.5 x 11 Letter Size, 1.2'' Expansion, for Home Office Business Storage and Organizing

9x12 Expanding Manila Envelopes with Clasp 25 Pack, Goefun 180 GSM Heavyweight Expandable Manilla Folders 8.5 x 11 Letter Size, 1.2'' Expansion, for Home Office Business Storage and Organizing

Regular price $38.99 USD

Regular price $38.99 USD Sale price
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SANRUI Acrylic File Mail Desktop Organizer Sorters,3 Compartments Laddered Clear Desk Letter Organizer Office Document Sorter,Multifunction Envelope Folder Racks Holders for Office,Home, School

SANRUI Acrylic File Mail Desktop Organizer Sorters,3 Compartments Laddered Clear Desk Letter Organizer Office Document Sorter,Multifunction Envelope Folder Racks Holders for Office,Home, School

Regular price $24.17 USD

Regular price $24.17 USD Sale price
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wishacc Folder Holder Desk, 2 Pack Mail Organizer Letter Holder for Desk Metal Mesh with 3 Vertical Upright Compartments

wishacc Folder Holder Desk, 2 Pack Mail Organizer Letter Holder for Desk Metal Mesh with 3 Vertical Upright Compartments

Regular price $22.49 USD

Regular price $22.49 USD Sale price
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SANRUI Clear Desktop File Organizer, 5 Compartments Acrylic Office Document Sorter Mails Storage, Multifunction Letter Folder Racks Holders for Office,Home, School Desk Organization

SANRUI Clear Desktop File Organizer, 5 Compartments Acrylic Office Document Sorter Mails Storage, Multifunction Letter Folder Racks Holders for Office,Home, School Desk Organization

Regular price $26.87 USD

Regular price $26.87 USD Sale price
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SANRUI Clear Desk Mail Organizer, 9 Compartments Acrylic Office Document Sorter File Storage Holders, Multifunction Letter Folder Racks Holders for Office,Home, School Desktop Organization

SANRUI Clear Desk Mail Organizer, 9 Compartments Acrylic Office Document Sorter File Storage Holders, Multifunction Letter Folder Racks Holders for Office,Home, School Desktop Organization

Regular price $44.85 USD

Regular price $44.85 USD Sale price
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wishacc Desk Mail Organizer Small File Holders Letter Metal Mesh Document/Filing/Folders/Paper Organizer for Desktop

wishacc Desk Mail Organizer Small File Holders Letter Metal Mesh Document/Filing/Folders/Paper Organizer for Desktop

Regular price $14.99 USD

Regular price $14.99 USD Sale price
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SANRUI Acrylic Desk Mail Organizer Sorters, Clear 5 Upright Compartments Laddered Desktop File Letter Holder, Multifunction Envelope Vertical Folder Racks Document Holders for Office, Home, School

SANRUI Acrylic Desk Mail Organizer Sorters, Clear 5 Upright Compartments Laddered Desktop File Letter Holder, Multifunction Envelope Vertical Folder Racks Document Holders for Office, Home, School

Regular price $34.96 USD

Regular price $34.96 USD Sale price
Unit price per
1000#9 Custom Printed Reply Envelopes - Self-Seal Security - Personalized with Logo and/or Return Address - Self-Seal, 3-7/8 x 8-7/8 Inches, 1000 Count (7-30138-1000)

1000#9 Custom Printed Reply Envelopes - Self-Seal Security - Personalized with Logo and/or Return Address - Self-Seal, 3-7/8 x 8-7/8 Inches, 1000 Count (7-30138-1000)

Regular price $179.69 USD

Regular price $179.69 USD Sale price
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Collection: Envelopes

Digital Shipping Scale, 86 lbs/0.1oz Highly Accurate Postal Scale for Packages with Hold/Tare/Separate LCD Display，Stainless Steel Postage Scale，Package Scale for Small Business, Mail Scale

Digital Shipping Scale, 86 lbs/0.1oz Highly Accurate Postal Scale for Packages with Hold/Tare/Separate LCD Display，Stainless Steel Postage Scale，Package Scale for Small Business, Mail Scale

IdealSeal Envelope Liquid Moistener and Sealer - High-Efficiency, No-Mix Sealing Solution for Postage Machine and Mailing Systems - 64 oz

IdealSeal Envelope Liquid Moistener and Sealer - High-Efficiency, No-Mix Sealing Solution for Postage Machine and Mailing Systems - 64 oz

Columbian #10 Security Envelopes, 500/Box, No Window, 4-1/8 x 9-1/2 Inches, Release & Seal Self Seal, White (COLO151)

Columbian #10 Security Envelopes, 500/Box, No Window, 4-1/8 x 9-1/2 Inches, Release & Seal Self Seal, White (COLO151)

660lb Industrial Floor Platform Scale with 90°-135° Rotate Double Sided Display Weight Computing Digital Scale Platform Scale LB/KG for Luggage Shipping Package Computing

660lb Industrial Floor Platform Scale with 90°-135° Rotate Double Sided Display Weight Computing Digital Scale Platform Scale LB/KG for Luggage Shipping Package Computing

440lb Postal Scale,10g Accuracy Digital Shipping Scale for Packages with Backlit LCD,Alloy Steel Platform,USB-A/Battery Power,Tare/Hold/Auto-Off,Mail Scale for Small Business Postage Weighing

440lb Postal Scale,10g Accuracy Digital Shipping Scale for Packages with Backlit LCD,Alloy Steel Platform,USB-A/Battery Power,Tare/Hold/Auto-Off,Mail Scale for Small Business Postage Weighing

Charmline 660lbs x 0.2oz High Accuracy Digital Postal Scales, Shipping Scale with 15x12 Stainless Steel Platform, Heavy Duty Scale for Packages/Small Business/Postage/Luggage

Charmline 660lbs x 0.2oz High Accuracy Digital Postal Scales, Shipping Scale with 15x12 Stainless Steel Platform, Heavy Duty Scale for Packages/Small Business/Postage/Luggage

Charmline 660lbs x 0.2oz High Accuracy Digital Postal Scale, Shipping Scale with 21x17 Large Stainless Steel Platform, Heavy Duty Scale for Packages/Dog/Postage/Luggage, Battery & AC Adapter Powered

Charmline 660lbs x 0.2oz High Accuracy Digital Postal Scale, Shipping Scale with 21x17 Large Stainless Steel Platform, Heavy Duty Scale for Packages/Dog/Postage/Luggage, Battery & AC Adapter Powered

INTSUPERMAI 110V Automatic Paper Folding Machine, 4 Folding Plates, Multiple Folding Forms, Max Speed 262ft/min, Z Fold Paper Folding Machine for Manuals Document Business Letters

INTSUPERMAI 110V Automatic Paper Folding Machine, 4 Folding Plates, Multiple Folding Forms, Max Speed 262ft/min, Z Fold Paper Folding Machine for Manuals Document Business Letters

9x12 Expanding Manila Envelopes with Clasp 25 Pack, Goefun 180 GSM Heavyweight Expandable Manilla Folders 8.5 x 11 Letter Size, 1.2'' Expansion, for Home Office Business Storage and Organizing

9x12 Expanding Manila Envelopes with Clasp 25 Pack, Goefun 180 GSM Heavyweight Expandable Manilla Folders 8.5 x 11 Letter Size, 1.2'' Expansion, for Home Office Business Storage and Organizing

SANRUI Acrylic File Mail Desktop Organizer Sorters,3 Compartments Laddered Clear Desk Letter Organizer Office Document Sorter,Multifunction Envelope Folder Racks Holders for Office,Home, School

SANRUI Acrylic File Mail Desktop Organizer Sorters,3 Compartments Laddered Clear Desk Letter Organizer Office Document Sorter,Multifunction Envelope Folder Racks Holders for Office,Home, School

wishacc Folder Holder Desk, 2 Pack Mail Organizer Letter Holder for Desk Metal Mesh with 3 Vertical Upright Compartments

wishacc Folder Holder Desk, 2 Pack Mail Organizer Letter Holder for Desk Metal Mesh with 3 Vertical Upright Compartments

SANRUI Clear Desktop File Organizer, 5 Compartments Acrylic Office Document Sorter Mails Storage, Multifunction Letter Folder Racks Holders for Office,Home, School Desk Organization

SANRUI Clear Desktop File Organizer, 5 Compartments Acrylic Office Document Sorter Mails Storage, Multifunction Letter Folder Racks Holders for Office,Home, School Desk Organization

SANRUI Clear Desk Mail Organizer, 9 Compartments Acrylic Office Document Sorter File Storage Holders, Multifunction Letter Folder Racks Holders for Office,Home, School Desktop Organization

SANRUI Clear Desk Mail Organizer, 9 Compartments Acrylic Office Document Sorter File Storage Holders, Multifunction Letter Folder Racks Holders for Office,Home, School Desktop Organization

wishacc Desk Mail Organizer Small File Holders Letter Metal Mesh Document/Filing/Folders/Paper Organizer for Desktop

wishacc Desk Mail Organizer Small File Holders Letter Metal Mesh Document/Filing/Folders/Paper Organizer for Desktop

SANRUI Acrylic Desk Mail Organizer Sorters, Clear 5 Upright Compartments Laddered Desktop File Letter Holder, Multifunction Envelope Vertical Folder Racks Document Holders for Office, Home, School

SANRUI Acrylic Desk Mail Organizer Sorters, Clear 5 Upright Compartments Laddered Desktop File Letter Holder, Multifunction Envelope Vertical Folder Racks Document Holders for Office, Home, School

1000#9 Custom Printed Reply Envelopes - Self-Seal Security - Personalized with Logo and/or Return Address - Self-Seal, 3-7/8 x 8-7/8 Inches, 1000 Count (7-30138-1000)

1000#9 Custom Printed Reply Envelopes - Self-Seal Security - Personalized with Logo and/or Return Address - Self-Seal, 3-7/8 x 8-7/8 Inches, 1000 Count (7-30138-1000)