Our sports knee pads contain 50% polyester, 50% rubber wire. It can flow through the blood of the capillaries, thereby improving the body's oxygenation. It's easy to use: just wear the product between the thigh and the calves. It is also comfortable and soft, seamlessly fits the knee joints under compression, maintaining the endurance of muscles and joints during exercise. Net content: 1 pair Product name: Sports knee pads Keywords: Body care Gross weight: 125.8g Ingredients: 50% polyester fiber, 50% rubber wire Packaging size: 17*8*5.5cm Product size: 27*14.7cm Box meter: 56*36*21.5cm Weight of a box: 18.11kg Shelf life: 3 years Storage method: Please store it in a cool and covered area