Product Description ■ Model Number:HO-165 ■ Product Name: Children's Roller Skate Balance Bike Skateboard Helmet Children's Bicycle Helmet ■ Suitable for: Children's Skateboards, Balance Bikes, Roller Skates, Road, Mountain, Bicycles, Outdoor Sports ■ Material MATERIAL: Shell PC + Internal EPS ■ Technology TECHNOLOGY: All-in-One molding ■ Color COLOR: 3 colors available ■ Size SIZE: S size 48-55CM suitable for children aged 3-8 years ■ Inner width WIDTH: Inner width 17CM, inner length 20CM ■ Weight: 210G ■ Ventilation holes VENTS: 19 ■ Structure CONSTRUCTION: External impact-resistant PC, internal EPS cushioning layer integrated molding technology.With velvet lining, detachable and washable, adjuster, webbing, black and red buckle, with LED light ■ Packaging: 30 pieces, dimensions 59*52*55CM 1 pack size 30.5*22.5*18CM