TRADE ONE Bicycle Suitable for Elementary School Students to Adjustable SG Mark Matte 60186 Helmet, Adults, Size, Certified, Unisex, Lightweight,

Size: Approximately 20cm (width) x 30cm (depth) x 15cm (height) Weight: Approximately 290g Materials: PC (polycarbonate), EPS (expanded polystyrene foam) Country of origin: China Head circumference size: Approximately 58-61cm (Elementary school students, junior high school students, and adults)