The PRO-SYS Floss Threaders are designed to easily thread dental floss under orthodontic braces, fixed bridges, and dental implants. The thin, comfortable nylon material makes threading floss through tight spaces simple. This box contains 100 envelopes with 10 floss threaders per envelope, providing plenty of threaders for your entire family. The threaders are made of durable nylon plastic that gently threads floss through braces and implants without damage. The slim design slides easily between teeth and under wires. Threaders help remove plaque and food debris trapped between teeth and under braces. They are an essential tool for oral hygiene when wearing braces, fixed bridges, or implants. The convenient plastic case keeps the threaders neatly organized for easy access. This pack contains 100 threaders, providing plenty for daily use. The threaders are designed to be sterile and reusable. To use, simply insert the floss threader into a piece of floss, insert the floss into the mouth, and thread it under braces or around implants. Carefully remove any food debris caught on the floss. rinse floss and repeat.With proper flossing, you can reduce the risk of tooth decay, gum disease, and oral cancer.