Heat Sealable Ripstop

70 denier 100% nylon ripstop, about 5.2 oz per square yard, with a special backside coating that bonds to itself under a household iron - seams become waterproof with no stitching. Also RF and ultrasonic weldable. The fabric itself is waterproof, so it suits dry bags, inflatable projects and airtight or watertight gear. Sold by the yard. Width: 57 inches.