Product Description 【Slimming Arm Shaper】 Made of milk silk and polyester material, with its good stretch, you can wear the arm shaper comfortably for a long time, providing comfortable compression while burning calories. 【How It Works】 These arm sleeves gonna increase the body temperature to burn fat for the upper arms around the wrap, making your arm slimmer and more toned, as well as can provide basic protection to your upper arms while doing exercise. 【Compression Support】Lightweight, thin, and compression material make it perfect to stay hidden underneath clothes. Wear it while doing a workout or wear it at daily walking for better effect. 【Occasions】This arm trimmer band is perfect for yoga, gym, sports, fitness, ball games, etc. Suitable to both men and women with saggy arms to stimulate sweat release and help shape slim arms. 【Multi-Sizes】There are multiple sizes optional from S to 5XL; please measure the size of your arm before buying. (Note: The arm trimmer is flexible, it may a bit tight at first, and it will fit better after several times wearing.) Product description Applicable people: adults Applicable scenes: various indoor and outdoor sports, training places Product material: 46% polyester Product weight: 0.035kg Product Size Size-----Upper (CM)-----Lower (CM)-----Height (CM)-----Recommended (CM) S/M-----9.45-----8.66-----8.27-----9.06-12.99 L/XL-----11.02-----10.24-----8.27-----10.63-14.56 XXL/3XL-----12.6-----11.81-----8.27-----12.20-16.14 4XL/5XL-----14.17-----13.39-----8.27-----13.78-17.72 It is made of polyester, black on the outside, blue and silver on the inside, suitable for both men and women. Fast calorie burning makes you sweat more and burn more calories. Say goodbye to loose arms, stimulate the release of sweat and help slim your arms. It can also help protect your arms during exercise. There are two choices, silver and PU style, choose the style you like; Choose the size that suits you, without restraint during exercise, which is more conducive to weight loss.