Easy-to-use design for flossing around orthodontic appliances. - Brand: Platypus - Product Name: Orthodontic Flosser - Features: One-handed design - Benefits: Ideal for people with orthodontic appliances - How to use: Easily passes floss around appliances This is orthodontic floss. There were 30 pieces, but 21 remain due to use. Please understand this before purchasing. Thank you for looking.