Built for Professional or Home use, the Mini BioMat is very versatile. This multi-purpose unit is great for sleeping, travel, pets, horses, easy chairs, Med-Spa, Dental & Office Chairs. Surface area covered in alternating channels of Amethyst and Tourmaline crystals. Includes Single Control Panel with variable heat settings, travel bag + 100% cotton quilted cover. (One Amethyst & Tourmaline Pillow suggested.) FDA Cleared Device.