Responsive high-density foam supports your child as they grow. The Comfort Medium Mattress comes complete with a removable and washable cover. It's hypoallergenic too, so your child can enjoy a cleaner, fresher sleep. Completed with a 5 Year Guarantee, this mattress has been built to last – perfect for a developing child. Dimensions: 3′ x 6′3″ (90cm x 190cm)