- Material: cotton, EVA, latex - High Elastic Knee Pad: made of high elastic fabrics with moisture absorption and perspiration performance to keep you dry and comfortable during long use. Moisture wicking and quick drying; soft, breathable, flexible and durable with exquisite stitching to resist damage. - Anti-Collision Pad: features high density foam to cushion stress from prolonged kneeling and protect the knee from scratches and abrasions when rubbing on the floor. The elastic design provides comfortable wear, good knee support, and stability without limiting movement. - Non-Slip Volleyball Knee Pad: designed around the knee joint, with an elastic material weave and Lycra seaming technology to prevent rolling, sliding or slipping during exercise. Thick pads fit the knee snugly and stay in place during long sessions and falls. - Size Information: two sizes for men knee pads M: 32-38 cm (leg circumference) L: 38-52 cm (leg circumference) Please measure and select the correct size using our sizing chart. Measure your leg circumference (measure your thigh circumference at 3.3 inches/10 cm above the knee). If you have questions about size, please contact us. - Use scenarios: suitable for volleyball practice or games on indoor courts; ideal for gym workouts, floor drills, and kneeling tasks on hard surfaces at home or training sessions.