We Use 100% All Natural Soy Wax And Infused With Essential Oils/ Fragrance Oils. They Are Handmade, And Hand Poured In Small Batches Ensuring High Quality Wax Melts. Burning Two Of Our Cubes At A Time Will Last Roughly Two Days Or Longer. (Not Recommend To Use On The Stove! Use In An Electric, Or A Tealight Wax Warmer.)Each Clamshell Comes In A Pack With 6 Melts Weighing @ 2.0oz And Many Scents To Choose From, Some Wax Melts Come With Herbal Herbs.