The thin cups on Tik Tok are made of rubber, plastic and other materials. It is a slimming product with certain elasticity and plasticity. The product is real. But it may not have the effect of losing weight. If you want to lose weight, you must take a scientific approach, such as controlling diet and increasing exercise. At the same time, you need to do 1~2 hours of aerobic exercise every day, such as running, swimming and yoga.