High Quality: Compared with most square or round pads, the newly designed shield-shaped foam pads fit your knees better, not easy to fall off and slide off, and the high elastic EVA material foam pads protect your knees and elbows from injuries caused by high-intensity activities and sports. Size: Please check our size chart and measure your circumference according to our instructions: Small is suitable for children aged 3-5 years old, Medium is suitable for children aged 5-8 years old, Large is suitable for children aged 8-10 years old, and Extra Large is suitable for children aged 10-13 years old. Note: Hand wash only. Anti-slip design: Our leg sleeves/elbow sleeves have wavy anti-slip gel, which can effectively prevent the knee/hand support from moving up and down, so you don’t have to re-wear it during exercise, which is very practical. Multifunctional honeycomb knee pads/knee pads: The fabric is breathable, thin and smooth, with high elastic fit, exquisite design and craftsmanship, and quick-drying with sweat. It is a practical protector for children/teens. Widely used: Knee braces put some pressure on the body for safety reasons, allowing the body to maintain a correct posture when playing volleyball, basketball, football and other outdoor sports such as cycling, skateboarding and inline skating.