Features: 100% Brand New & High quality. Material: facing:100% cotton,lining 100% cotton Filling: Multi-functional foaming material IXPE Type: Head Protection Soft Hat Age Range:baby from 6 months to 6 Years old. Applicable scope: wore by infant when learning to crawl, learning to walk and playing. Main Function: With the function of damping and cushioning, it can avoid or mitigate damage to the head when the head of infant is collided. Size: with head circumference of 47-55cm/18.5-21.6"(Adjustable) Item Weight: 0.12kg Notes: 1. Please allow 1-2cm (0.4-0.8") differences due to manual measurement, thanks. 2. Kindly Tip : Please be reminded that due lighting effects, monitor's brightness/contrast settings etc, there could be some slight differences in the colour tone of the website's photo and the actual. Packing include: 1pc Helmet