4 x 6 (4 mil) Reclosable Polypropylene Bags 1000/Case Discount_5933550108762_10 Bags are ASTM D5511 compliant

Bags are ASTM D5511 compliant and will biodegrade in a landfill

Four thicknesses of corrugated on front and back for added strength and durability

All sizes ship flat for easy storage and shipping convenience

024 point fibre paperboard

4 x 6 (4 mil) Reclosable Polypropylene Bags 1000/Case Discount_5933550108762_10 Bags are ASTM D5511 compliantThe opening on the reclosable poybag is always on the width dimension. Reclosable bags are measured by inside usable dimensions (without the zipper or lip included in the size). These bags all meet FDA and USDA specifications for food. Your product's contents are always visible through these clear low density ziplock polypropylene bags.