The comfort of the Moses Baskets depends on the good choice of the mattress. We decided to invite to this project very good Supplier, producing high-quality mattresses for this purpose.  This item will guarantee you the best possible experience of use our baskets. - Perfectly matched to the Happy Moses Basket - Removable 3-layer cover that can be washed and spun in the washing machine at 60 degrees. - High quality PUR foam - Positive opinion of the Institute of Mother and Child in Warsaw and Certificate of Health Quality of the National Institute of Hygiene - Medical product  - Resilient and stable back support - Hardness for easy change of position during infancy - Stable edges to facilitate upright stance and first steps excellent air circulation, - Independent, multilayer (3W construction) cover suitable for washing at 60°C, - High resistance to wear and damage