This 2.5" - 3" mattress topper by Pure Rest Organics is filled with thick layers of fluffy, springy, pure, natural wool and covered with European organic cotton ticking. Hand tufted to maintain its thick deluxe feel. Will make your bed a lot softer- makes it feel like a feather bed. Two of these can make a layered bed as well. Has 60 oz per sq yd of wool.