Tension 100% Pure & Natural Soy Meltie 2.5 oz 100% Pure Essential Oil Lavender, Peppermint, Rosemary and Grapefruit. Made in the U.S.A Our Soy Melties (also known as tarts, melts) are a great way to get wonderful scent in your home without any flame. Simply place one in a square in Potpourri burner (never add water) and light an unscented tea light below, or an be used with an electric wax potpourri burner. As with our candles our melties are made with soy wax and plant-derived essential oils. WARNING: Keep out of reach of children & pets. Prolonged contact with skin may cause irritation. Handle hot wax with care, as it may cause serious injury. Do not combine water & hot wax. This product contains oils that may cause damge to fabrics and other surfaces. Wax should be stored in cool place.