The DIZE ORIGINAL WEATHERMASTER CANVAS TARP is made from single filled cotton duck. 10 OUNCE - Triple stitched seams, double stitched hems. Rot resistant thread for stitching. Designed with double grommets at each corner for maximum restraint. Rust resistant grommets, placed on a reinforced patch to resist tearing, are spaced on approximately 3 feet centers and anchored against a reinforcing rope bound in hem. The selection of weight depends on the intended end use. Canvas tarps are one of the best protective coverings which are breathable and allows moisture to evaporate. Tough, processed treated to ensure water resistance. Uses: Machinery, Farm Equipment, Tractor Covers, Building Material, Lumber, Steel, and Other Metal Covers, Contractor Covers, Windbreaker, Tool Covers, Boat Covers and Other Items, Stored Outdoors, Winter Storage Covers, Weather Covers for Anything That Condensation Build-up Would be a Problem.