The comfortable and flexible design allows freedom of movement during athletic activity without restricting movement. The knee pads are composed of soft and flexible material, which is designed to protect the knees from potential bumps and injuries during sports activity, such as cycling, skiing, snowboarding, and other sports activities that may lead to knee injuries. As for the elbows, they are made of the same flexible and comfortable material used in knee pads, aimed at protecting your elbows and reducing the risk of potential injuries during sports activity. This set is durable and tough, allowing for effective protection of children during sports activity, ensuring their safety, joint and limb safety. It also features cute and attractive design for kids, which motivates them to use and synchronize with wearing it during sports activity.