Bolayu 1PC Soft Water Droplets Beauty Makeup Sponge (Khaki) Sponge Imported High Size: 6cm/2.36". Diameter Size:4cm/1.57". No streaks and no areas with too much makeup or too little. Give you a flawless foundation application every single time. Baby shampoo or any low sudsing soap will work. Rinse well and air dry. If used daily, we recommend washing your sponge once a week with a mild cleanser.