This Orthodontic Floss Threader is designed to fit between braces, bridges, and crowns. It helps prevent gum disease and provides facile flossing under bridges and braces. Made up of nylon, it comes with a pack of 35 (Random color) Floss Threaders. Features: - Designed to fit between braces, bridges and crowns. - Regular use of dental floss will help prevent gum disease. - The Floss Threader is designed to assist you in threading dental floss under bridges, orthodontic appliances, implants, and between connected crowns. - The simple loop fits any type of floss and the flexible tip makes it easy to get into small or awkward spaces Use with your dental floss for flossing under bridges and braces. Specifications: Material: Nylon Package included: 35 x Dental Floss Threaders (Color Random) Notes: 1. Manual measuring, please allow 1 ~ 3mm error,thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.