Children's Mattress: Improve your child's nights sleep with this open coil sprung mattress. Material: Constructed with a plain knit, soft fabric for the top and a visco-elastic memory foam layer that adapts to your child's unique sleeping position as they sleep. Adaptable: Perfect for any bed - bunk beds, cabin beds, and all other base types. Quality: Designed with you in mind - these mattresses are hypoallergenic and filled with anti-dust mite material for a healthier sleeping environment. Delivery: Mattresses are carefully vacuum packed for easy at home unwrapping. We recommend leaving the mattress for 24-48 hours after opening to allow it to expand to its full size. Size: Choose from five sizes - see Full Details for dimensions. Children's Open Coil Sprung Mattress | Orange | Living Social