High Quality Materials The waist and leg stretchers are made of high quality materials, non-irritating and harmless to the skin, with a thickness of 2 mm and a width of 3.8 cm. Don't worry it will be broken and affect the use, detachable waist pad with sponge for more comfort during training,Note: When using the product, make sure the door is firm and has a good grip. Multifunctional Fitness BeltEasy to use stretch bands are ideal for hand and leg strength training, improve leg flexibility and help practice crossovers and more. The D-ring design can be independently adjusted for different heights and training intensity. Superior design The yoga belt will not damage the door and will stay in place. This stretching and waist shifting device will not scratch or damage the door and will not move or slip while stretching. . Make You More Stretched The stretchy leg stretcher, back and leg flexibility, a unique gift for yoga, dance and Pilates, whether you are a beginner or advanced, with this stretchy leg stretcher, you can comfortably increase mobility and flexibility. . Suitable occasions Easy to install and use, portable storage, take it to the gym, friends house, is perfect for yoga, ballet, dance, Pilates, etc. You can practice anytime, anywhere, whether at home, in the studio or on short trips, business trips, etc. .