Warp's 4CH15-B Poly Film, 25 ft L, 15 ft W, 4 mil Thick, Black, Pack of 4Super tough, fully waterproof plastic sheeting used by DIYers and contractors for large and small construction, landscaping or covering projects. Warp's shelf pack, wrapped on a solid core, will sit upright on a shelf or horizontally in a bin with vertical design on front panel and horizontal on rear for flexibility in displaying. Consumer. Unit: ROLL UPC: 042351523708 Model Number: 4CH15 B