The miniuno Coolmax Fibre Cot mattress has a luxurious knitted cover with spacer mesh and Coolmax technology to absorb, store and release heat to keep your baby at the optimum temperature. The premium quality airflow fibre core supports your baby’s back, neck, and head. The hypoallergenic, anti-allergy and water repellent cover keeps the interior fresh and clean. The mattress is fully breathable, mite resistant and air-permeable, plus the cover can be removed and machine washed up to 40 degrees.