Features: This arm trimmer is contoured to fit around your arm comfortably and is naturally flexible to allow for a full range of motions. Made of high-quality neoprene thermal material, it is snug to wear, effectively enhances perspiring and burns more calories . Special 3-layer design, creats strong sauna effect, accelerating fat burning and sweating, and keeps the outer layer dry in the same for time. The arm wraps stimulate sweat release, and help to reshape your upper arm. It can also help protect arm musles while you are doing physical exercises. Fit for multiple occasions, such as yoga, gym, sports, body- building, ball games and so on. Specifications: Material: Polyester Color: Black+Pink/Black+Yellow Size: S - Height 180mm/7.09in Upper Arm Perimeter 210mm/8.27in Lower Arm Perimeter 180mm/7.09in for M - Height 180mm/7.09in Upper Arm Perimeter 230mm/9.06in Lower Arm Perimeter 200mm/7.87in L - Height 180mm/7.09in Upper Arm Perimeter 250mm/9.84in Lower Arm Perimeter 220mm/8.66in Weight: Size S - Approx.30g Size for M - Approx.35g Size L - Approx.40g Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Pack of 2 Arm Sleeves