Description: Two adjustable nylon straps on the palm and wrist for a perfect fit, and provide the better wrist support while maintaining full range of movement of thumb and fingers. This wristguard come with impact resistant plastic bones shell to provides strong protection for wrist. Size: XS Suggest for 3-7 year old; S Suggest for 7-12 year old; M fit palm width 7.5- 9.0 cm, length 18 cm, suggest for women and elder Kids; L fit palm width 9.5- 11.0 cm, length 20cm, suggest for Men. FOR Adult/Child the wirst guards are designed for sports saftey protection especially for ice and roller cycling skating, Skateboard Hoverboard, biking, cycling, skating,Motocross, rolling, ATV, BMX and other extrem sports. It is the good choice as the gift for Children's Day, Birthday, Christmas,etc. Perfect for any Men, women, youth, young, girls, toddle,boys. Specification: Material: Plastic Size Chart: 10154CM/3.945.911.57inch Package Includes: 1 Pair Wrist Guard Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 3. Wish you a wonderful on-line shopping!