High Quality Material: The dental floss is made of food grade polymer, which is tough and strong, but soft enough not to hurt your teeth. The dental floss handle is made of durable polystyrene, not easy to break or bend After using the dental floss, the outlet is automatically closed to ensure that the remaining dental floss remains hygienic and can be used for a long time! Yarn holders are reusable, you can add similar size yarn to keep using Portable and Convenient: This yarn dispenser is the perfect companion for regular family trips and dinners. It is small and compact and can be easily put in your pocket or backpack, dental tools are suitable for home, hotel, restaurant, camping, traveling or barbecue, small size, more convenient to transport and ideal for mobile oral care