Features: brand new and high quality Built-in silicone cushion: effective cushioning and decompression to strengthen the for protection of the knee. Dual-channel silicone anti-skid strip: enhances stability, absorbs decomposition pressure, protects knee joints, and is not easy to slip off. Exquisite sewing: The double-track sewing is used to make the threading for stronger, not easy to snag, and has a long service life. High elastic compression: the use of three-dimensional weaving technology to better compress the knees and muscles. The comfortable and breathable material can help the knee better heat dissipation and ventilation during exercises, absorb sweat during exercise and keep the knee cool. Specifications: Material: Nylon Color: Black-green/Black-gray Size Optional: S/for M/L/XL/2XL Quantity: 1Pc Package Includes: 1Pc x Kneecap note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!