River Wood Wax Veterinarian approved! Oder eliminator! Safest candle melts for pets and humans! Here are the world’s first avian safe Wax Melts. These are safe to melt right next to your precious pets! The wax is 100% soy wax with ZERO harsh additives, for example, UV blocker: which protect the colors from fading, Paraffin wax: 85% of soy candles have Paraffin wax mixed in them to help throw scent and drives the cost of the candle way down. Now when it comes to the scent you can rest assured that there is no Phthalate in any of these candles and melts. This is a chemical that has no odor that companies use to help throw the scent. This is a very harmful chemical that we all breath when burning candles that contain this. You can rest assured that there is NO Harmful Chemicals added to these products.