Melissa Single 10cm Memory Foam MattressPerfect for children's beds or guest rooms is the Melissa 10cm single memory foam mattress. Made with 1cm memory foam and 9cm reflex foam, this makes for a comfortable night sleep. It comes with a jacquard knitting cover and a non slip bottom. We recommend that this is a firm mattress, but comfort is subjective to all! The memory foam density is 60kg m3 and reflex foam density is 30kg m3. The mattress depth makes it the perfect bunk bed mattress as