This is East Coast Nursery's Spring Interior mattress. Purpose designed for young children and babies, this mattress is built up of a strong but soft coiled spring which is cushioned by high density foam. This fantastic mattress features a lightweight removable cover which can be easily removed for washing. This cover is also hypoallergenic, helping to eliminate allergy symptoms. Available in both sizes for cots and cot beds, this is a great first mattress for your new-born.