Blending Sponge, Latex Free, Hydrophilic Polyurethane This edgeless makeup sponge provides an optimal makeup application with minimum product waste. Its unique shape enables easy blending on small or large surface areas. Completely blends away lines and streaks, leaving your makeup virtually undetectable. It's a wonder sponge. Use it with primers, foundations, powders, cream blushes, and any other complexion product.