1Adopt heatabsorbing polymer materials to increase your natural body temperature and stimulate sweating through any type of physical activity. 2Suitable for wearing while exercising or performing daily activities to create a hot experience like a sauna， increased sweating also helps detox. 3Having good elasticity that can compress the excess fat and make your arms look more slender and slim. 4Extremely light and comfortable， suitable for long time wearing and good slimming and arm shaping experience. 5Suitable for using in the gym， yoga， aerobics， bike riding， or just running. Effective promote perspiration and lose weight.Item Type: Sweat Arm BandsMaterial: Cloth + polymer materialApplicable Scenarios: Running， fitness， fitness， cycling， ice and snow sports， etc.Function: Promote perspiration and lose weight2 x Sweat Arm Bands