20 x 20 (4 mil) Flat Poly Bags 250/Case Style II The back of the mailer

The back of the mailer is white opaque for printing the address and postage

028 kraft chipboard

Our bags are manufactured from seamless poly tubing and are bottom sealed for extra strength

Specially formulated with food safe

5/16" bubble lined

20 x 20 (4 mil) Flat Poly Bags 250/Case Style II The back of the mailerPoly bag opening is always on the width dimension which can be heat sealed, or closed with twist ties or bag tape All poly bag sizes meet FDA and USDA specifications for food. Your product's contents are always visible through these clear low density polyethylene bags. Our bags are manufactured from seamless poly tubing and are bottom sealed for extra strength, no side seals or slit seals.