3 x 3 (4 mil) Flat Poly Bags 1000/Case 8x8 box Expandable envelopes are great for

Expandable envelopes are great for shipping books and other bulky items

try our large sturdy plastic bins to organize your facility and control inventory

Reinforced side walls and wide ledge allow high stacking

See also our large plastic bins

Lid snaps tight to keep contents secure

3 x 3 (4 mil) Flat Poly Bags 1000/Case 8x8 box Expandable envelopes are great forPoly 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.