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Your Trucking, Warehouse & Shipping Supply Company ~ Since 1999

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We Have a Huge Selection of Flat Mailers in All Sizes Including Kraft, White Self Seal and Kraft Self Seal Stay Flat Mailing Envelopes, Lowest Prices.

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Free Shipping on Orders of $150 or More!

Up to 10% Off Super Summer Sale!

7" x 9" Kraft Self Seal StayFlat Plus Mailers 100ct

Price$53.85

7" x 9" Kraft Self Seal StayFlat Plus Mailers 100ct

This product does not qualify for Free Shipping

Product ID ENVRM10PSKSS

These 7" x 9" Kraft Self Seal StayFlat Plus Mailers are light-weight to save on postage with pull tab. Priced and sold in cases of 100 kraft stay flat self seal mailers.

Price$53.85

9 x 7" White Side Loading Self Seal Stayflats Lite Mailer 200ct

Price$90.30

9 x 7" White Side Loading Self Seal Stayflats Lite Mailer 200ct

This product does not qualify for Free Shipping

Product ID ENVRM10SLWSS

These 9 x 7" White Side Loading Self Seal Stayflats Lite Mailers make fulfillment a breeze. Priced and sold in cases of 200 white side loading mailers.

Price$90.30

14-7/8 x 11-7/8" White Side Loading Self Seal Stayflats Lite Mailer 200ct

Price$166.80

14-7/8 x 11-7/8" White Side Loading Self Seal Stayflats Lite Mailer 200ct

This product does not qualify for Free Shipping

Product ID ENVRM15SLWSS

These 14 7/8 x 11 7/8" White Side Loading Self Seal Stayflats Lite Mailers open at the wider side. Priced and sold in cases of 200 side loading mailers.

Price$166.80

6" x 8" Kraft Self Seal Flat Mailers 100ct

Price$32.59

6" x 8" Kraft Self Seal Flat Mailers 100ct

This product does not qualify for Free Shipping

Product ID ENVRM1PSKSS

These 6" x 8" Kraft Self Seal StayFlat Plus Mailers are manufactured from .028 kraft chipboard. Priced and sold in cases of 100 kraft stay flat self seal mailers.

Price$32.59

8 x 6" White Side Loading Self Seal Stayflats Lite Mailer 200ct

Price$68.15

8 x 6" White Side Loading Self Seal Stayflats Lite Mailer 200ct

This product does not qualify for Free Shipping

Product ID ENVRM1SLWSS

These 8 x 6" White Side Loading Self Seal Stayflats Lite Mailers make your shipments stand out. Priced and sold in cases of 200 white side loading mailers.

Price$68.15

12-1/2 x 9-1/2 x 1" White Expand-A-Mailer Gusseted Paperboard Mailer 100ct

Price$79.31

12-1/2 x 9-1/2 x 1" White Expand-A-Mailer Gusseted Paperboard Mailer 100ct

This product does not qualify for Free Shipping

Product ID ENVRM2G

These 12 1/2 x 9 1/2 x 1" White Expand-A-Mailer Gusseted Paperboard Mailers expand to hold bulky items. Priced and sold in cases of 100 gusseted mailers.

Price$79.31

9" x 11-1/2" Kraft Tab Lock StayFlat Mailers 100ct

Price$51.42

9" x 11-1/2" Kraft Tab Lock StayFlat Mailers 100ct

This product does not qualify for Free Shipping

Product ID ENVRM2SFK

These 9" x 11 1/2" Kraft Flat Mailers has a tab lock closure with no additional stiffeners needed. Priced and sold in cases of 100 kraft stay flat mailers.

Price$51.42

11-1/2 x 9" White Side Loading Self Seal Stayflats Lite Mailer 200ct

Price$107.75

11-1/2 x 9" White Side Loading Self Seal Stayflats Lite Mailer 200ct

This product does not qualify for Free Shipping

Product ID ENVRM2SLWSS

These 11 1/2 x 9" White Side Loading Self Seal Stayflats Lite Mailers weight less than other mailers. Priced and sold in cases of 200 white side loading mailers.

Price$107.75

12-3/4" x 15" White Self Seal StayFlat Plus Mailers 100ct

Price$83.47

12-3/4" x 15" White Self Seal StayFlat Plus Mailers 100ct

This product does not qualify for Free Shipping

Product ID ENVRM4PSWSS

These 12 3/4" x 15" White Self Seal StayFlat Plus Mailers strong chipboard mailers protect photos. Priced and sold in cases of 100 white stay flat self seal mailers.

Price$83.47

5-1/8 x 5-1/8" White Self Seal Stayflats Plus Mailer 200ct

Price$51.56

5-1/8 x 5-1/8" White Self Seal Stayflats Plus Mailer 200ct

This product does not qualify for Free Shipping

Product ID ENVRM55PSWSS

These 5 1/8 x 5 1/8" White Self Seal Stayflat Plus Mailers do not need any stiffeners added. Priced and sold in cases of 200 White Stay Flat Self Seal Mailers.

Price$51.56

9-3/4" x 12-1/4" Kraft Self Seal Flat Mailers 100ct

Price$58.77

9-3/4" x 12-1/4" Kraft Self Seal Flat Mailers 100ct

This product does not qualify for Free Shipping

Product ID ENVRM5PSKSS

These 9 3/4" x 12 1/4" Kraft Self Seal StayFlat Plus Mailers are manufactured from .028 kraft. Priced and sold in cases of 100 kraft stay flat self seal mailers.

Price$58.77

9-3/4" x 12-1/4" White Self Seal StayFlat Plus Mailers 100ct

Price$62.39

9-3/4" x 12-1/4" White Self Seal StayFlat Plus Mailers 100ct

This product does not qualify for Free Shipping

Product ID ENVRM5PSWSS

These 9 3/4" x 12 1/4" White Self Seal StayFlat Plus Mailers strong chipboard mailers protect photos. Priced and sold in cases of 100 white stay flat self seal mailers.

Price$62.39

9-3/4" x 12-1/4" Kraft Tab Lock StayFlat Mailers 100ct

Price$53.17

9-3/4" x 12-1/4" Kraft Tab Lock StayFlat Mailers 100ct

This product does not qualify for Free Shipping

Product ID ENVRM5SFK

SKU 841436023634

These 9 3/4" x 12 1/4" Kraft Flat Mailers protect photos and documents during shipping. Priced and sold in cases of 100 kraft stay flat mailers.

Price$53.17

12-1/4 x 9-3/4" White Side Loading Self Seal Stayflats Lite Mailer 200ct

Price$118.27

12-1/4 x 9-3/4" White Side Loading Self Seal Stayflats Lite Mailer 200ct

This product does not qualify for Free Shipping

Product ID ENVRM5SLWSS

These 12 1/4 x 9 3/4" White Side Loading Self Seal Stayflats Lite Mailers are made from recycled paperboard. Priced and sold in cases of 200 side loading mailers.

Price$118.27

13" x 18" White Self Seal StayFlat Plus Mailers 100ct

Price$117.57

13" x 18" White Self Seal StayFlat Plus Mailers 100ct

This product does not qualify for Free Shipping

Product ID ENVRM6PSWSS

These 13" x 18" White Self-Seal StayFlat Plus Mailers are manufactured from white chipboard. Priced and sold in cases of 100 white stay flat self seal mailers.

Price$117.57

6" x 6" Kraft Self Seal StayFlat Plus Mailers 200ct

Price$52.94

6" x 6" Kraft Self Seal StayFlat Plus Mailers 200ct

This product does not qualify for Free Shipping

Product ID ENVRM9PSKSS

These 6" x 6" Kraft Self Seal StayFlat Plus Mailers strong chipboard mailers protect photos. Priced and sold in cases of 200 kraft stay flat self seal mailers.

Price$52.94

5-1/8" x 5-1/8" White Self Seal Flat Mailers 200ct

Price$51.56

5-1/8" x 5-1/8" White Self Seal Flat Mailers 200ct

This product does not qualify for Free Shipping

Product ID RM8SS

SKU 818217441369

These 5 1/8" x 5 1/8" White Self-Seal Flat Mailers protect photos and documents during shipping. It features a pull tab tear strip for easy opening. Priced and sold in bundles of 200 flat mailers.

Price$51.56

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Everything Trucking & More!

Your Trucking, Warehouse and Shipping Supply Company.

We've got the trucking industry covered, from the warehouse, to the terminal, to the customers front door, and everything in-between. Established in 1999, USA Fleet Supply LLC is a manufacturer and distributor of trucking safety, training, and compliance products. We are the nations largest supplier of trucking supplies, shipping supplies, packaging material, warehouse equipment, mobile electronics, cdl truck driver training products, cargo securement, trucking forms, hazmat placards & much more, featuring over 80,000 products. If you can't find what you are looking for, contact our Customer Care Team and we'll find it for you.