* Waterproof yet breathable Miracle Membrane® allergy barrier * Absorbent Cotton Terry sleep surface * Effective in preventing dust mites and bacteria from breeding inside the mattress, which are a significant cause of asthma, rhinitis and eczema * Protective against stains such as spills, sweat, bodily fluids and bed wetting * Machine wash and tumble dry * Ultra thin with four-way stretch does not detract from the comfort of the mattress * Expandall® fitted skirt fits all standard and extra depth sizes * Tested for harmful substances according to Oeko-Tex Standard 100 * Can be used with an electric blanket * Absorbency rate is 1 litre on a Queen