Closed-Cell Structure

Closed-cell foam has sealed air pockets that do not connect, making it water-resistant and easy to wipe — spills sit on the surface rather than soaking in. Open-cell foam absorbs liquid.

PopsyKosy uses closed-cell EVA, so it wipes clean and resists moisture. What is EVA foam? →

FAQ

Why does closed-cell matter for a play mat?

Closed-cell foam is water-resistant and wipe-clean; open-cell foam absorbs spills.