Thank you for coming to our shop, I hope it is to your satisfaction Item Name: Arm Sleeves Gender: Women Features: Sun Protection, High Elasticity, Thumbhole Design Size Details: Size: S, Length: 47cm/18.5", Upper Width: 11.5cm/4.5", Under Width: 9.3cm/3.7" (Approx.) Size: M, Length: 48cm/18.9", Upper Width: 12.5cm/4.9", Under Width: 10cm/3.9" (Approx.) Specifications: There are two sizes for you to choose, including S, M. Made from high quality ice silk material, the arm sleeves are thin and lightweight. This pair of arm sleeves is suitable for most people and keeps the body flexible during exercise, because it has high elasticity design. With strong moisture absorbing performance, this pair of arm sleeves can ensure no sultriness for long time wearing. Also, it provides effective protection against sunburn or strong sunlight. It is suitable for golf, hiking, volleyball, football, running, cycling, rock climbing, gym, etc. Kindly Remind: Due to light and display, there may be slight differences between the picture and the actual color of the product. The color is subject to the goods received. In addition, please allow slight size difference due to manual measurement. High quality, assured choice is guaranteed Package Includes: 1 Pair of Arm Sleeves