The SnuzSurface Duo cot and cot bed mattress boasts an innovative 3D breathable mesh cover with a waterproof membrane, ideal for those potty training years. The Duo mattress features a sophisticated pocket sprung core, tailored to provide progressive support for baby as they grow and develop into toddlerhood. Features: Baby, to toddler 0-4yrs 3D breathable surface Removable, machine washable cover Waterproof surface Anti-dust mite barrier Pocket Sprung Dual-sided - two levels of firmness Vacuum-rolled Cover: 100% polyester with Polyurethane membrane (top) Dimensions: Dimensions:70x140cm Complies with BS EN 16890: 2017