Snap bars is a term used for scented wax melts. They can be used in an oil burner or plug in wax warmers.
Wax melts are small, scented pieces of wax designed to be gently heated to release their fragrance. They're like candles but without the wick, meaning that they require a wax warmer to melt and diffuse the fragrance.
Simply pop a block into your wax melter, without overfilling, to release the wonderful scents. Each pack contain 10 wax melts blocks.