Vegan, phthalate and petroleum free. The Tumbler is our most eco-friendly, low waste and reusable soy wax candle yet. A glass rocks tumbler this candle container can be repurposed as a water or wine glass or a place to stash your q-tips. Slow burning, biodegradable soy wax grown by farmers in the US. Phthalate-free premium fragrance and essential oil blends.