The breathable and water resistant 7cm 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 allergenic the hygienic thermally bonded nursery grade cover is breathable air permeable and water resistant the cover is zipped to be fully removabl