Features ERGONOMIC STRUCTURE DESIGN Ergonomic structure designed for kids/youth from 3-15 years old. All-protective gears perfectly fits knee, elbow and wrist with optimally adjustable Velcro for maximum safety COMFORTABLE & SPORT-FRIENDLY Three-part Design on knee, wrist & elbow pads enhance comfort and safety. They also maintain the swift movement during sports. Skin-friendly and breathable material ensures smooth-wearing and allergy-free. MAXIMUM PROTECTION CPSC Certified for maximum quality and safety. Premium PP shell on knee and elbow pads with unique impact-resistance PE foaming layer for muscle and joint protection. Enjoy a risk-free skating/skateboarding/cycling experience. PACKAGE INCLUDES 2 x Knee Pads, 2 x Elbow Pads, 2 x Wrist Guard, 1 x Mesh Package Bag. SUITABLE SPORTS It could be used for various occasion such as Biking, Cycling, Skating, Skateboarding, Penny Boarding, Hover Boarding, Scootering, Roller Blading, etc. SIZE CHART To determine the correct size, wrap a measuring tape around the Upper Arm, Lower Arm, Thigh & Calf as shown on the picture.