2 PC Blending Sponge by LA Girl. An essential tool to create a smooth airbrushed finished look. For ideal application, dampen sponge & squeeze out excess water. Sponge will increase in size. Apply a small amount of liquid or powder on sponge & blend as desired. For optimal use, make sure to wash sponge with mild soap & warm water frequently & air dry. If irritation occurs, discontinue use.