ITEM READY STOCK MALAYSIA. FAST SHIPPING Suitable usage: For mountain bicycle,highway bicycle sports 100% new brand and high quality for unisex Size: 55-61cm adjustable size (head circumference) Color Available: Black, White, Red, Blue Material Outside:PC Material Inside: EPS,PU foam,nylon adjust belt Weight: 250g Certificaton:CE ,EN1078, ISO9001 Technology: Unicase technology,more safe and perfect Storage advice: Do not stored in damp environment,near where the heat source or directly in night,helment for dry proceesing,suggest using canvas package for storage Very light weight,250g helmet APPROX Ventilation air holes, help cooling with excellent air circulation. Certificaton:CE ,EN1078, ISO9001 What's in the package: 1 x Bikeboy Helmet