Name: Knee Pads. Color: Black/gray/White,etc. Material: Nylon, etc. Product list: 2Pcs/Pair Knee Pads. Trial scenarios: running, playing ball, exercising, etc. Notice: 1. Please allow slight difference due to manual measurement. 2. Please note that due to lighting effect, brightness, display setting contrast and other reasons, the hue of on-site color photos may be slightly different from the actual project.