Accessories Orange Stipple SpongeMUD's orange synthetic stipple sponge is best used for special make up effects. Its coarse and porous texture allows for stippling adhesives, alcohol based inks and rubber mask grease paint. The large pores are great for creating capillaries, pock marks, bruising, or layering base colors to create realistic skin tones on prosthetic appliances or tattoo cover ups. This synthetic stipple sponge can also be used to press skin like textures into oil based