The Royal & Langnickel® natural sponge is ideal for effective and artistic faux finishes and decorative painting. This Caribbean sponge has fine to medium openings and a natural texture for beautiful effects. It works efficiently well with oil, watercolor, acrylic, dyes and fabric paints. In addition, this natural ocean paint sponge can be used for various painting techniques such as stippling, staining, potter, ceramics, tile, and more. This combination sponge set comes with 4 Caribbean sponges.