Package includes 2 PCS (1 pair) cooling leg sleeves. Please refer to the size chart in product images. Machine washable with cold water.^80% polyester and 20% spandex. Moisture wicking athletic stretch sleeve keeps your muscles warm thus maintaining the right temperature and flexibility.^They can NOT offer very high compression. It is about 2 on a scale of 1-10 levels.They are mainly used for sports and outdoors such as Cycling, Running, Basketball, Baseball and Volleyball. ^Knee Length will cover much more area than just right above and below the knee. This knee sleeve extends down to mid calf and up to mid thigh.^Make sure you pull the leg sleeves to the top of your leg, so the hidden silicone grips can keep the sport sleeves in place and prevent them slip.