Specification Information: This pair of black volleyball sleeves is about 7.87 inches/20 cm long and 3.9 inches/10 cm wide, suitable size for most people to useProtect Forearms: This passing forearm sleeve adopts a double-layer compression design to provide mild compression to the forearm, which helps keep the muscles warm, while reducing the impact of the ball and reducing swelling, so that you can focus more on practicing passing techniquesFit the Arm: This volleyball compression arm sleeve fits the curve of the arm, and the internal non-slip silicone strip on the top of each forearm sleeve can firmly fix it in place and provide compressionWide Application: Our volleyball arm sleeve is suitable for various sports training, such as volleyball, basketball, baseball, tennis, baseball, weightlifting, etc.Reliable Material: These volleyball arm sleeves are made of nylon, spandex, elastic fiber material, which are durable, stretchable, breathable and comfortable, not easy to deform, fits the forearm, and bring you a comfortable experience