Adjustment You could tighten or loosen the headrest with its Velcro Useful and Necessary It is dangerous for toddlers to fall asleep in a running car without any protection This headrest perfectly meet the needs It keep their head from moving in case the injury of head Easy installation You could install it with its straps and with buckles on your car headrest in a moment machine washable Soft fabric Material Made of high quality polyester and soft cotton comfortable for toddlers to take a nap The inner lining adopts a mesh surface more breathable heat dissipation Size 5544 cmPlease note that this is suitable for children over the age of one year