Features: - Each pack comes with 4 refills, each refill is 33 yards long. - Eco-friendly floss. Using our refillable floss will cut down on your plastic use and makes for the perfect low waste product. - Our natural dental floss is made to easily glide between your teeth cleaning away everything stuck in between and reaching even the tightest of spaces without breaking. It is also suitable for people with sensitive gums - Specification: Material: Bamboo Charcoal Length: 30m/33yards Package Included: 4 x Dental Floss 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.