1Adopting thick and soft durable fabric, it is strong and durable, more comfortable than plastic/rubber bands. 2It is thick, non-slip, and has high resistance. Repeated use will not reduce its elasticity. 3The use of resistance bands can exercise the buttocks muscles, protect and provide muscle support. 4Suitable for breaststroke opening and closing, kneeling kicks, hip bridges, squats, side steps and other movements. 5Durable and comfortable to wear, it is breathable and will not bring you any discomfort.