Features: Flexible Support Design: Adopting a 17mm short structure, it provides precise joint support to help relieve joint pressure during daily activities. Highly quality polyester fiber ensures good breathability and moisture wicking function, effectively preventing skin discomfort. Lightweighted and easy to put on and take off: With a simple design, can be easily worn without complex operations, meeting the convenience needs of fast-paced life. Invisible Fit Experience Thin design allows for invisible fit under clothing, without affecting the aesthetics of daily wearing. Multi purpose protective gear is not limited to knees, but can also be used for other joint areas such as elbows, providing comprehensive protections. Specifications: Component: Polyester fiber, elasticity and wear resistance, Process: Adopt advanced weaving technology and fine sewing Parameters: Thickness is 17mm, short design, fits joint parts, providing effective support and protections. Size: M 28-30cm/11.02x1181in L 30-32cm/1181x12.6in XL 32-34cm/12.6x13.39in Color: black Quantity：1PC/1 Pair Package Includes: 1PC/1Set Joint protective cover note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.