Thanks to its stable foam core, the Activity playpen mattress provides an ideal play surface for your baby and also offers comfort for a little nap in between. Polycotton is a highly washable and hygienic cover fabric for mattresses. Thanks to its material composition, it has good climatic and heat-regulating properties. The cover is removable and washable up to 60°C. The mattress has been tested for harmful substances and is manufactured in accordance with the EU safety standard DIN EN 16890:2017.