Made with REAL Lava StonesnUse the Lava Stones to absorb your favorite essential oils. The pores will trap the oil and slowly diffuse it throughout the day for added benefits!nMade with an adjustable cord making the perfect match for both men and women!nHowlite is a calming stone that helps relieve stress and aid with insomnianHowlite is a super-calming stone and many people use it to relieve stress of all kinds. It makes an excellent antidote to insomnia due to an overactive mind. About Lava Rocks: Basalt and related rock types like andesite and dacite are rocks that form when volcanoes erupt magma (lava) onto the surface of the earth and the magma cools. Lava beads are porous and can even absorb the oil of your choice.