Why buy me a practical lightweight mattress made from high density foam covered with a waterproof and easy clean cover this is the perfect choice for your baby about me foam crib mattress high density nursery grade foam to provide firm gentle support non removable waterproof cover easy to wipe clean turnable so both sides can be slept on 90 x 40cm want to learn more constructed from high quality high density foam designed specifically for babies the good night mattress offers all round