Our kid safety helmet is made of 100% cotton material with soft IXPE foam filling, eco-friendly, comfortable and breathable to wear, and it also has a good property of shock resistance, perfectly protecting your kid's head. It also has many reasonable design, such as the Y shape hatband, adjustable buckle and striped holes. Our hat is in standard average size, the head circumference could be adjusted from 43cm to 51cm(16.9inch to 20inch), and it is suitable for baby from 8 months to 60 months to wear when they are walking, crawling and playing. Such a nice protective hat, worth buying for your kids! Features: The facing and lining of our helmet are made of 100% cotton material, environmental-friendly, comfortable, breathable, and its filling material is IXPE foam, non-toxic, soft, antibacterial and has good property of shock resistance, perfectly protecting your kid's head. Y shape hatband could bring a better stability of the hat, and hat won't easy to move or fall off, and adjustable buckle design is for adjusting the length of hatband flexibly, your kids will wear it safely and comfortably. Striped hole design in the top of the hat is for loosing heat and air ventilating, kids won't feel very hot while they are crawling or playing. Standard average size, the head circumference could be adjusted from 43cm to 51cm(16.9inch to 20inch), and it is suitable for baby from 8 months to 60 months to wear. Having good function of damping and cushioning, and it can avoid damages to head of kids, so it is perfect for kids to wear in walk learning, crawling and playing etc. 5 colors are available, just choose the color you like for your kids. Specifications: Item: Toddler protective helmet Material: 100% Cotton + IXPE foam Color: Blue, Light coral, Beige, Grey, Multi-color (Optional) Adjustment Range of Head Circumference: Approx. 43-51cm / 16.9-20inch Applicable Age: Baby from eight to sixty months Weight: Approx. 176g Package Included: 1 x Kids Safety Helmet Please Note: 1. This protective hat can't be used as professional safety helmet, so please use the professional safety helmet when riding on a bicycle, electric bike and motor bicycle and playing outdoors. 2. The infants shall be taken care of by adults even with this protective hat. 3. Our protective hat is soft and comfortable, but some infants still would not like to wear it. It doesn't need to worry about it, because they will get used to it after several times.