Tear-Aid is a unique elastic, airtight, and watertight repair patch. It is also transparent with an easy peel-and-stick application and cuts easily to any size with scissors. It features an extreme elastic bond which provides a high-quality repair and conforms to irregular surfaces. Ultra violet resistant and won't turn gummy in high heat. Use on tents, sleeping bags, camping pads, kiteboard bladders, sails, bike inner tubes, boat covers, fishing waders, and awnings. Repairs all fabric materials. Made out of polyurethane material. Kit includes: (1) 3" x 12" Tear-Aid patch, (1) 7/8" x 7/8" patch, (1) 1-3/8" x 1-3/8" patch, (1) 12" reinforcement filament for repairing tears at edges, 2 alcohol prep pads, 1 set of illustrated instructions.