Professional CompatibilityCompletely made to fit iO brush heads, including all series of iO toothbrush heads, as well as round brush heads from the same brand series. Washable and reusable. Health and SafetyKeeps replacement toothbrush heads free from dust and bacteria and keeps it hygienic. It protects the cleanliness and health of your brush head at home or on the go. Arm Your Every Brush HeadBringing a higher experience to tooth brushing, come in Transparent/Purple/Blue, 3 different coloured toothbrush caps that you can distinguish from your family, the pretty caps will make your toothbrush head look more beautiful and sophisticated. Quality MaterialsThis iO brush head cover is made of high quality plastic, which is not easily deformed or broken and is easy to carry. Great Value For MoneyYou get 6 pcs toothbrush head covers caps (Toothbrush head not included), And there is a professional customer service team to provide convenient service.