1Refreshing and odorless, good resilience, no deformation after repeated stretching. 2It is used for fitness, skinny legs, thin waist, reduced abdomen, flexible use, uniform force, balanced resistance. 3Lightweight and portable, use anytime and anywhere. 4The auxiliary belt can assist the up and down horizontal bar when using upside down shoes. 5Can be used to exercise all parts of muscles such as arms, chest, abdomen, glutes and legs.