HamiltonBuhl Flex-Phones are nearly indestructible, made from a single piece of EVA foam. EVA foam is safe, non-toxic, BPA-free, soft and an extremely flexible material. Flex-Phones™ are certified for all major USA and international child safety testing standards. Recommended for children ages 3 and up, Flex-Phones deliver high quality sound that will never exceed 85 decibels, ensuring young developing ears are protected. | Hamiltonbuhl | | Flex-Phones Single Construction Foam Headphones | Purple | Best Buy