Material: This knee brace is made of nylon, spandex, silicone. The fabric is comfortable, breathable and cool, ensuring comfort while protecting the knees. Suitable for a leg circumference of 42-47cm (16.5-18.5 inches). Note: It is recommended to wash by hand or machine at 30C in delicate cycle, line dry, do not use detergent or bleach. Full protection at 360: Our knee pads are designed with 3D elastic weaving, which fits the knee without deformation. It is ergonomically designed to reduce impact on the knee and act as a cushion and decompressor. Provides 360 degree support and protection for injured ligaments, tendons, joints and muscles. Non-slip design: The top edge of the knee pads is equipped with a silicone anti-slip strip to increase the grip of the knee pads. knee pads and reduce slippage. During sports or fitness, your knee pads will always stay in place without slipping, providing perfect support and protection for your knees. Adjustable Compression Bandage Design: Double straps are used for wrapping compression and the fixed design, so we can ensure that the knee pads are always close to the body. At the same time, using this compression bandage can adjust the tightness at will, reduce knee shaking, prevent muscle pain and increase knee strength. Application: Our knee pads are suitable for most indoor and outdoor sports, such as running, basketball, soccer, baseball, cycling, tennis, hiking, volleyball, skiing, squats, weightlifting, fitness and more.