Adult And Child Bicycle Helmet: Lightweight Mtb Helmet With, And Girls. Product Details The bicycle helmet is made of strong PC shell and high impact-resistance EPS foam, providing more safety with the integral-moulding technology. Complies with U.S. Consumer Product Safety 2 sizes available. Size Large is 59-61 cm (23.2-24 inch), suitable for adults, men, women, and size Medium is 55-58 cm (21.6-22.8 inch), suitable for youth, teens, kids ages above 14. The chin straps and rear dial adjustment are easy to adjust for custom fit. The streamline design with the detachable visor adapts to various mountain biking activities. The visor can be adjusted smoothly to three different positions for optimal visibility and glare reduction, and keep foliage and branches away from your eyes and face. Flip up the visor for use on road bike or urban commuter bike. Lightweight material and 14 vents promote the air circulation, keeping you cool on long bike ride. The soft inner sponge pads, adjustable chin straps and chin pad provide more comfortable user experience. Package includes 1 helmet 1 carrying bag, and additionally, accompanying an extra pad liners for cleaning and interchanging. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.