Product description:Magnetic Mattress Specs:- -Magnet Count in Mattress: 216 Nos. North Pole Pure Neodymium Disc Magnets -Weight of the Mattress: Approx 3 Kg. -Thickness of the Mattress: 3/2 inch. -Size of the MagnaSleep Magnetic Mattress: 72 * 36 inch. (6 * 3 ft.) - Used Sleep well Foam. - 100% Pure Ndfeb (Neodymium Ferrite Boron) High Quality Magnets used.