Doinshop New Funny Baby Water Drawing Painting Writing Mat Board Magic Pen Doodle Toy Gift Material: cloth (polyester), Size: 45cm/17.5" x 29cm/11.3 "( approx ) Method of use: 1, open the lid, pumping water, no ink, 2, painting directly on the Cloth Mat 3, after about ten minutes, water after dry can be used it repeatly.