About this item 2 sizes available. Small: 18.9″-21.3″ (48-54 cm), suitable for kids 5-8 years old. Medium: 21.3″-22.4″ (54-57 cm), suitable for youth 8-14 years old. kids Helmet, Recommended age grade: 5 years and older,Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older Helmet for kids: Our helmets provide excellent protection for children’s heads while they play a variety of sports. The comfortable and soft lining and 11 ventilation holes are designed to prevent children from sweating, sweltering and stuffiness Safe and comfort: Provides the necessary protection to minimize the risk of injury to children participating in these activities. This kids proof knee pads is made of a scratch-resistant,PE shell lined with soft EVA material. safe and washable! The high quality lining is not only durable but also breathable. The kit is suitable for a variety of outdoor sports, including cycling, ice sports, skating, skateboarding or wakeboarding This girls and boy Helmet with Protective Gear Set is an Excellent Holiday Gift for Boys and Girls, Suitable as Birthday Gifts, Children’S Day Gifts, Christmas Gifts and other Holiday Gifts.Parents Can Use it as a Gift For Their Children, Grandparents Can Use It As A Gift for Their Grandchildren, or Uncles And Aunts Can Use It As A Gift For Nephews And Nieces Helmet knee pads for kids Includes 1 kids bike helmet, 2 knee pads, 2 elbow pads and 2 wrist pads.This is a set of children’s protective gear that is easy to carry with you