The breathable and water resistant 5cm thick super fibre safety mattress is made from environmentally friendly and fully recyclable fibre material which offers superb comfort and support for your baby unlike foam which is still being used in the manufacture of baby cot mattresses this one piece high density pad will not discolour and is non allergic the hygienic and non allergenic pinsonic quilted cover is breathable and moisture resistant and offers protection against dust mites it is full