... negative ions + anti-bateria+cotton+superfine fibre,mattress therapy mattress2.Superfine fibre has good air permeability,water ... and improve immuneystemfor sub health.Cautions:1.Magnetic Therapy is not tobe used during Pregnancy, metal implants ... -magnet + 100% polyester 7D,three-dimensionalBrand nameGuoaiUseHome textile , bed , Picnic, Bath, Travel, Military, Home, HotelCharacteristics1.Materical ...