Different brush sizes: this set of round brush contains 4 sizes brushes, their diameters are 0.6 inch, 0.75 inch, 1.2 inches and 1.5 inches; Wooden handle is approx. 2.5 inches in lengthSponge brush material: the brush head is made of water-absorbing sponge and the handle is made of wood, which is light in weight, so it is easy and comfortable to handle and safe for kidsRepeated usage: these round sponge brushes are washable, when you finish painting, just clean it with soapy water and air-drying it for next usageMulti-application: these round sponge brushes are suitable for painting circles, dots of different sizes or use these brushes to create DIY craft projects and free kids creativity and imaginationPackage includes: 20 pieces of sponge brushes are packed in 5 bags, each bag includes 4 brushes in 4 different sizes; 5 Bags of these sponge brushes would bring a lot of fun to your children4 sizes sponge brush round sponge stippler paint tools for kids graffitiSafe material:This set of sponge painting tools is consist of 2 parts: brush and handle, the brush is made of water-absorbing sponge and the handle is made of wood. Both materials are innoxious and safe, suitable for kids to use.Repeated usage:These round sponge brushes are washable, when you finish painting, just clean it with soapy water and air-drying it for next time.Wide application:These round sponge brushes are suitable for painting circles, dots of different sizes or use these brushes to create DIY craft projects and free kids creativity and imagination, thus to bring them a lot of fun.Specifications:Sponge colors: yellowDiameters of brushes: 0.6 inch, 0.75 inch, 1.2 inches and 1.5 inchesWood handle length: 2.5 cmPackage includes:5 x 0.6 Inch round sponge brush5 x 0.75 Inch round sponge brush5 x 1.2 Inches round sponge brush5 x 1.5 Inches round sponge brush