[Safe material] The art painting sponge brush set is made of smooth material, which is an environmentally friendly material, non-toxic, harmless, safe and durable, healthy and non-irritating to the skin. And it will be safe for your children when using the sponge brush. [Humanized Design] Good water pigment will absorb and smooth the paint. The painting sponge roller is a great painting tool for kids in preschool art class and DIY. [Easy to use]: Just dip some paint and add #39;spread evenly. Then print your pattern on the paper. It is a perfect toy to stimulate children interested in painting. [Easy to clean]: Simply rinse with clean water and reuse in a ventilated place after drying . You don't need to waste any of the after-painting. [Creative Gift] A lovely birthday gift for children. Children painting sponge rollers can use them to create various patterns to stimulate children's imagination and creativity. Materials: sponge and plastic handle Dimensions: small 15 2.4 cm, medium 17.5 4 cm, large 18.5 6 cm. Box contents: 3 sponge rolls