Material (MATERIAL): Imported PC shell EPS imported inside Product packaging: 30.5*22.5*18CM Technology (TECHNOLOGY): One-piece molding (In-Mold) COLOR: 13 colors are available Ventilation holes (VENTS): 16 Size (SIZE): 46-53CM Inner width (WIDTH): 16CM, inner length: 20CM Construction: External IN-MOLD (integrated molding) anti-impact PC, internal EPS integrated molding For: children's balance bike, scooters, scooters, bicycles, skating and other outdoor sports! Specifications: 1.Large 16-hole open vents improve airflow and reduce weight, and have excellent breathability 2.Anchored Y-belt anchoring system provides better fit 3.Helmet all-mountain helmet coverage rate is low to increase protection, multi-density impact reduction system provides excellent protection 4.High-quality lining and chin padding for added comfort 5.Single-drive hand plate fixing system provides easy adjustment 6.Removable sun visor and an additional replacement inner pad We ship worldwide by EMS, DHL, China , Aliexpress shipping, E-epact, etc. If the package was delayed by office, to Brazil, Mexico and Poland may take extra 3-4 weeks to arrive; to Asia, Europe and North America may take extra 2-3 weeks. We are unable to control the delivery time because 's processed by a third-party-service. But if the parcel was not arrived within your expected time, please do contact us with no hesitation, we will help you to track and give you a satisfied reply. The packages will be sent out within 2-4 working days after you payment. The tracking information of packages always need 3- 5 days to update. The buyer is responsible for any tax or duty charged of their country. If you have any special requirement about your order or your package, please contact with us before payment, or we will use the default packages. Resend or refund if you have not received the product in guaranteed delivery time. Resend or refund if the product quality was different with what expressed. Resend or refund if the product is broken in delivery. If any problems do you have, please contact us at first, we will give you a satisfied solution. The Russia and Ukraine buyers need to leave your full name, or your package will be refused by office. For the Brazil buyers, please leave your full personal VAT number that can make you receiving your parcel faster and safer. There may be little error about size or color between product that you received and showed in picture, if you are serious buyer and expecting accurate, please consider before you buy . If you are satisfied with our product, please do take a few seconds to leave a good feedback (5 stars), this is very important to us. If you are not satisfied with our product or our service, please let us know that, we will do our best to solve your problem or refund your money. Before you leave a bad feedback, please consider contact us at first.