8 pack Natural Sea artist sponges variety pack contains 1 large grass 4'', 1 med grass 3'',2 small grass 2'', 2 small fina 2'' and 2 fina 1.5'' each sponge creating a unique textured effect. Ideal for a wide range of surfaces use with acrylics, oils, watercolours fabric paints and dyes. Easy to clean using soap and water, reusable and long lasting .