Floss for orthodontic treatment, easy to use with a holder type. I am selling this because I no longer need it after finishing my orthodontic treatment. The outer box has been opened and a few have been used. 46 bags are unopened. The contents will be taken out and shipped via regular mail. - Brand: ORTHOFLOSS - Product Name: Orthodental - Floss - Quantity: 50 pieces - Type: Holder type Thank you for looking.