Features:1. The sport upper arm compression sleeve helps heat up the fat so that you can lose weight at a great speed.And weight reduction training armbands all keep the sweat inside and dry on the outside.2. It stores heat， produces more sweat， helps you eliminate sagging upper arms， and cooperates with aerobic exercise to enhance the strength of arm muscles.3. Promote perspiration and increase your body&39;s natural thermogenic rate， burn your fat. Safe， and effective natural weight loss.4. Offers a tight and snug fit as they wrap around your arms， staying securely in place while you exercise， engaging your biceps and triceps， and giving them the perfect athletic look. Notice:Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Description:Size: As the picture shownColor/Style: As the picture shownWeight: about 22-38g(pair)