The waterproof TEMPUR-FIT_ Mattress Protector consists of natural fibres which are both breathable and absorbent. The protector, available in white, features an 'intelligent membrane' that prevents the mattress from getting wet and is one of the thinnest of its type on the market. As the picture demonstrates, it easily stretches to fit all TEMPUR mattresses. You may sleep on it directly as you would do with any sheet, or use it as an extra layer underneath your favourite bed linen. Choose a TEMPUR-FIT_ Mattress Protector to keep your bed fresh, clean, dry and comfortable for years to come. This product meets 100 standard. It has been tested for harmful substances and poses no risk to health.