with clean water and draw on the mat, no ink, no paint, no chemical. The magic painting mat is clean and safe for children, also save your time and save trouble. The kids won't stain the wall and floor etc.
✔ LARGE ENOUGH FOR 2-4 KIDS - The size of Rodri Essentials water doodle mat is 30 x 30 inches, which can allow 2-4 kids to paint at the same time. The drawing mat also can be folded to the compact size, portable for outdoor and travel.
https://www.toy10.com/2019/09/rodri-essentials-water-doodle-matpbs.html