This baby Moses basket mattress contains a specific nursery grade, high-density, poly-fibre insert, which provides posture support & comfort. It is suitable for newborns and toddlers and is surrounded by a breathable yet water-resistant hypoallergenic cover. The high-density polyester pad allows heat dissipation from the body to minimise sweating and create a comfortable sleep for your baby. The covers are also removable and can be washed in case of any accidents.