The ultimate infant mattress, designed to the highest quality. The cover is made from a 3D knitted fabric that offers increased airflow through the mattress and is removable for washing at 40’C. This adaptable mattress has a firmer side for young babies; simply then flip over for a softer side for young infants. Fully breathable and hypoallergenic. Includes a built-in inner waterproof layer to protects the core from spills. This dual-core mattress includes a reinforced border wire surrounding the 190 pocket springs to ensures the mattress has crush-resistant walls and is a perfect fit within the cot.