Grin Natural Mint Waxed Dental Floss 30m This minty dental floss is made from resilient PTFE that doesn't tear like silk or PLA floss. A candelilla wax coating helps the floss glide smoothly into tight spaces between teeth. Flavoured with natural mint oil. Vegan, palm oil free and cruelty free. Made in China. Packaged in cardboard and biodegradable PLA packaging.Grin Natural, based in New Zealand, was founded in 2015 and aims to use the best of what nature has to offer to improve oral hygiene, without any added chemicals.