The justkids memory foam mattress is the perfect addition to any childs bedroom this highly suooprtive mattress is constructed with a top layer of memory foam and a durable reflex foam base this unique construction creates a comfortable sleeping environment for the perfect nights sleepr the memory foam mattress has a depth of 15cm and comes with a zipped cotton cover this cotton cover allows for easy removal and can be machine washed up to 40 degreesr the memory foam layer provides comfort