Dental Lace's unique feature is that it's refillable. 100% silk floss with plant-based vegan wax. An online refill package contains two spools of floss, that are 33 yards each. The package is made of recyclable paperboard with a compostable plant-based cellophane (PLA) storage bag inside. * 100% Biodegradable Silk Floss * PLA bags made from the lactic acid found in plants, certified compostable = 2”x2” * 2 Months Dental Floss Included. (2 spools with 33 yards per spool = 2+ months' supply.) * Plant-Based wax is vegan wax with no harmful chemicals! * Flavored with mint Essential Oil. Leaves your mouth feeling refreshed, without feeling overpowered. * 100% Zero Waste Packaging that is compostable * Boxes are 100% post-consumer fiber that is certified FSC and PCF-free. Manufactured using renewable biogas energy. Printed with soy-based inks.