IDEAL FOR TRAINING CHILDREN"S IMAGINATIVE - Kids love to imagine and the creative molded 3D yellow duck kids helmet design brings more joys than traditional single helmet for kids. It"s the great and decent present for Kids, Boys, Girls and Friends. GET THE PERFECT FIT - Advanced dial fit system allows you to easily custom tune the fit tension and the fore-aft tilt of the children helmet in seconds using a single hand. Recommended for kids 3-10 years old. (18.8 - 22.8 inch). ADVANCED PERFORMANCE - Soft skin-friendly padding for exceptional sweat absorption, keep your little one chill even during a hot summer. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.