COMPATIBLE WITH IO SERIES ELECTRIC TOOTHBRUSHES: Toothbrush heads designed to keep your toothbrush hygienic while traveling, camping, at school, on trips, or at the gym. Protects your toothbrush from airborne dust for better hygiene and oral care. Comes in a pack of 12, perfect for sharing with family and friends. COMPATIBLE WITH ROUND REPLACEMENT HEADS: The upgraded toothbrush cover is compatible with all io replacement heads and also with all round replacement heads. Examples include io Ultimate Clean, io Gentle Care, Action, Sensible Genc Care, Flossaction, and other round toothbrush heads. HEALTH AND SAFETY: The electric toothbrush cover is made from food-grade material, free from and . VENTILATION HOLES: 3 ventilation holes allow air circulation, keeping your toothbrush dry. The unique structure prevents the cover from touching your bristles, maintaining their shape and hygiene. Size: 4 x 2 cm Material: Plastic Color: Multicolor Package Contents: 12 x Toothbrush Covers (Note: Only the above package content is included. Other products are not included. Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.)