Bike helmet offers ultimate protection with double certification for safety, meeting both CPSC 1203 and ASTM 1447 standards, making it perfect for cycling, skateboarding, and other outdoor activities. Its lightweight and durable ABS outer shell ensures comfort for active kids and toddlers, while the adjustable straps provide a secure fit in two sizes: Small (20.1"-21.3" / 51-54cm) and Medium (21.7"-22.8" / 55-58cm). The helmet features a removable and washable inner lining, allowing for easy cleaning after adventures to keep it fresh. Versatile for various sports, including biking, skateboarding, and skiing, our helmet offers peace of mind for both parents and children. | Joyfy | | Adjustable Bike Helmet for Kids Toddlers | Lightweight, Safety Certified Scooter Helmet with Washable Inner Lining | Toddler | Best Buy