Kids/Toddler Bike Helmet For Children Ages Infant/Baby To Children Ages Product Details SIZE RANGE: Size M/L for Big Kids / Teens / Youth 8 yrs+ DURABLE : Tough ABS shell and EPS core for muti-sports protection, suit for skating,cycling, BMX, MTB, great skateboard/bike helmet for kids 8-14, EXTRA REMOVABLE LINING with 2 THICKNESS OPTION : 2 different thick liners to adapt different age range, cover head size 55-61cm (from big kids to adult) DUAL TEST VALIDATED : 2 US standards verfied ( ASTM 1447 CPSC 1203) SIZE ADJUSTABLE - With dial turn ring, easily to adjust head range to fit your head No Risk To Buy : If you have any problems or questions, please connect us, we are committed to providing better products and services to children and parents. 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.