"Cotton, elastic band, latex, silk, spandexSuper material: Our knee pads are made of cotton, high-stretch latex silk and spandex, which are highly elastic, lightweight and durable, with good breathability and good sweat absorption. The edges of the knee pads are delicate and soft, the lines are tight and firm, the fabric is wear-resistant, and it is not easy to be damaged after long-term use. The double-layer fabric interface adopts Lycra hemming technology to improve wearing comfort and unrestricted joint movement.PU pad design: Volleyball knee pads have built-in high-density 2.5 cm PU pads, which are shock-absorbing and anti-collision, with strong impact resistance, reduce knee collision and friction injuries, effectively dissipate pressure, keep the knees warm, lubricate the joints, and provide better protection for your knees. These special designs are comfortable to wear and convenient for you to use in multiple sports, but reduce the risk of potential safety issues.Protective knee pads: Men's knee pads are carefully designed to improve your sports performance and no longer feel tired legs! Knee pads are designed to help keep warm and are great for relieving knee pain symptoms, swelling, protection, and preventing knee injuries during contact activities. EULANT Women's Volleyball Knee Pads are a great addition to your gym bag as they provide extra support and effective impact resistance, increase blood circulation and help recover faster.Size Information: The knee pads are designed in three sizes to meet the needs of people of different body shapes and ages, perfect for people who love sports and need to protect their knees. M (35-41 cm/13.77-16.14 inches), L (42-47 cm/16.53-18.5 inches), XL (48-55 cm/18.89-21.65 inches). Women's Volleyball Knee Pads Please be sure to measure with our size chart and choose the correct size before ordering. If you have any questions or suggestions about our knee pads, please feel free to contact us, we will provide you with a good solution within 24 hours"