To fit mattress 120 x 190cm. Please choose your desired mattress depth. The top and sides are made from premium quilted, breathable, luxury COOLFLEX stretch knit fabric, that helps to regulate body temperature and adds a soft and sumptuous layer to your mattress. This bed bug resistant cover zips all round for a secure fit. The cover fully encases the mattress and although the quilted fabric does have some stretch, the base fabric does not, so please check your mattress measurements before ordering to ensure the best fit. Machine washable at 40°C, tumble dry on low setting. Conforms to BS 7177 : 2008 for domestic use (low hazard). For businesses, please see CRIB 5 Regulations page.