6x4x3 (25 Pack) Kraft Mailer 36 x 20 x 12 box This tape has strings in

This tape has strings in it for extra strength

Heavy duty carton sealing tape

Approximately 475 feet per roll

Boxes are manufactured from ECT-32 kraft corrugated

Spectra® and stainless steel

6x4x3 (25 Pack) Kraft Mailer 36 x 20 x 12 box This tape has strings inKraft Corrugated Mailers are lightweight to save on postage. Perfect for shipping small, fragile items such as tools, glassware or products. Manufactured from ECT 32 B, kraft corrugated. Crush resistant mailers fold to provide double walls of protection on front and sides. These one piece mailers fold together in seconds. No tape, glue or staples are needed. All sizes ship and store flat to save space.