Specifications: It is made of polyester with good elasticity and good air permeability. EVA thick material is used inside to provide comfortable and safer knee protection. It is suitable for outdoor sports, football, dancing, cycling, mountaineering, skateboarding and other sports. Item Name: Knee Pads Material: Polyester, EVA Features: Durable, Breathable, Convenient to Use Size: S: 22cm x 11cm x 0.5cm/8.67" x 4.33" x 0.2", Suitable for Leg Circumference: 28cm-36cm/11.02"-14.17", Weight: 70-100 kg (Approx.) M: 23.5cm x 12cm x 0.5cm/9.25" x 4.72" x 0.2", Suitable for Leg Circumference: 36cm-42cm/14.17"-16.54", Weight: 100-140 kg (Approx.) L: 25cm x 12.5cm x 0.5cm/9.84" x 4.92" x 0.2", Suitable for Leg Circumference: 42cm-50cm/16.54"-19.69", Weight: 140-180 kg (Approx.) XL: 27cm x 13.5cm x 0.5cm/10.63" x 5.31" x 0.2", Suitable for Leg Circumference: 50cm-50cm/19.69"-19.69", Weight: 180-200 kg (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Pair of Knee Pads