Each flat poly bag has three dimensions. The first measurement is the width across the opening of the bag. The length runs from the poly bags opening to the base of the bag. Gauge is the third figure in a poly bags dimensions. It is a measure of its thickness in mils (1 mil poly bags, 2 mil poly bags, 3 mil poly bags, 4 mil poly bags, and 6 mil poly bags). Other products include: - Flat Poly Bags - Reclosable Poly Bags - Gusseted Bags - Gusseted Bags on a Roll - Flat Poly Bags on a Roll - Poly Tubing - White Block Markable Bags - Bag Closing Devices - Bags for Autobag Machines - Trash and Compactor Bags - Mattress Bags - Furniture Covers - Bin Liners / Pallet Covers - Bubble Film and Bags - Anti Static Bags - Amine Free Anti Static Bags - Black Conductive Bags - Metallic Static Shielding Bags - Polypropylene Bags - Postal Approved Mail Bags - Specialty Bags - Packaging Supplies - Plastic Sheeting