The SnuzSurface Duo cot and cot bed mattress is made with your little one in mind. Boasting an innovative 3D breathable mesh cover with a waterproof layer, it's perfect for the potty training years. The Duo mattress features a pocket sprung core to provide baby with progressive support as they transition into toddlerhood. Available in all popular cot & cot bed sizes, 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 and vacuum-rolled.