Our Simmer Bars are packed with tons of fragrance in a small and convenient package. Break apart and use separately, or combine squares to create an original fragrance of your own! Wax Melt Bar Tarts are a great way to enjoy your fragrance! Break off a square of the Wax Melt, and melt in your warmer! Break off a square from 2 or 3, and create your own blend of fragrance. Wickless Candle Melts.