NATUREHIKE Tpu Tent / Flysheet / Bags / Jacket Repair KitThis is a simple and easy to use repair kit. Can be use on all sort of TPU material repair.What is a TPU ? Thermoplastic polyurethane(TPU) is any of a class of polyurethane plastics with many properties, including elasticity, transparency, and resistance to oil, grease, and abrasion. Technically, they are thermoplastic elastomers consisting of linear segmented block copolymers composed of hard and soft segments.Basically you will find TPU in most of the camping and outdoor gear. It could range from Flysheet to Water basin and Jackets. Most common is our tent At time it could be torn due to accidents or negligence and this repair will safe you from wasting the tent and buying a new one.