MediCrystal Amethyst Tourmaline FIR Magnetic V-Mat

Gemstones: Crushed and Polished Natural Purple Amethyst and Black Tourmaline. 75/25 ratio. Surface:  Sweat Resistant Artificial human-made Red-Brown Suede and Heat Stable PU film Features: HEATING, CRYSTAL RAYS, NEGATIVE IONS, FIR (FAR INFRARED), MAGNETISM Sizes:   20"x32" (50x80 cm) Mini to target local body parts like a lower back 20"x40" (50x100 cm) Chair Mat with two straps  22"x48" (55x120 cm) Compact Mat to focus on your back or legs 24"x59" (60x150 cm) Midsize Mat for the whole body experience if your height is less than 5.5 feet (164 cm) 24"x72" (60x180 cm) Full-size Mat for the whole body experience if your height is greater than 5.5 feet (164 cm) 31"x72" (80x180 cm) Professional Mat for sleeping or massage table 39"x75" (100x190 cm) Single Size Mat is the best for sleeping. It is an excellent choice if you are taller than 6 feet. Voltage:  Please make sure you buy the right voltage!  Details: The mat is made with 75% of 2-7 mm Amethyst gems from Brazil and 25