The Special Effects Sponge is a thin, soft rubber sponge which helps create new realistic effects. The Special Effects Sponge is used to create a variety of special effects on the skin or on latex (bald caps): dilated pores, redness, irritations, burst blood vessels, etc. It is very easy to clean with hot water and soap or Sponge Shampoo. Dimensions: 1mm x 5mm x 1mm