This product adopts the of winding bobbin hive. Built in 50 meters of bare wire, micro-wax, mint, flat wire, using sterile operation, ultraviolet sterilization process. The production of dental floss is clean, smooth and flexible. No hair, no wire, no wax off and can effectively prevent and treat toothache. Health beautiful teeth, lasting brilliant smile. Cleans where your toothbrush can't reach Brushing along can't get to all the hard-to-reach places where plaque builds up.But our dental floss can. Caution: Please accompany the floss replacement with tooth fairy pocket dental flosser. Avoid extreme heat. For external use only, not to be swallowed. Keep out of reach of children. With 50m-extra-large floss capacity, could be used for more than 300 times equal to the usage amount of 3 months Colour:White Material:polyester Size:Single roll: 50m Package Contents: 10 Rolls x Dental Flosseres Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.