Dynalon 404225-0001 Clear Heavy Weight Polyethylene Ribbed  Matting with Lab Shelf and Bench Liner,50' Length x 30" Width x 0.036" Thick, For Lining Shelves and Drawers (Pack Of 1) Length: 50ft roll; width: 30in; thickness: .036in; weight: 13lbs Material: polyethylene For lining shelves and drawers, or for use as a floor liner; also useful under drums or carboys Can be cut with scissors to desired size Heavy weight matting lies flat; ribs hold dirt or spill until it can be wiped away