1. Material: EVA, mildew-proof, anti-bacterial, no peculiar smell, safe and comfortable, close to the head, no water seepage2. Size: The size can be adjusted, suitable for a head circumference of 44-56CM or for babies between five months and eight years old3. Protect your baby’s eyes and ears from water, and can be safe and happy when bathing and washing hair. 4. The unique cartoon shape and dreamy colors will surely be liked by babies.