Wax Melt - Tarts are strong little fragrance melts for those who like a "candle alternative" or inexpensive scenting method. GMO FREE Vegetable Wax. 6 cubes inside a clam shell retail package. Total weight 2.7 oz Unlike the popular chain stores, our wax is GMO FREE Vegetable wax not petroleum or GMO Soybean Oil (soy wax). Also we have a great selection of "all natural" scents that are marked with a "*".