Warp's 4CH10 Poly Film, 25 ft L, 10 ft W, Clear. 4Ch10 Clr Polyfilm10X25Ft 4Mil. Super 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.