The breathable and water resistant 5cm thick super fibre crib 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 thermally bonded nursery grade cover is breathable and water resistant the cover is zipped to be fully removable for washin