Dearderm Facial Cleansing Sponge is made of premium quality PVA sponge material. * Soft and comfortable to use  * Odorless and non-toxic * Safe and gentle on the skin * Excellent water absorption,  * Absorp the soap and water easily * Removes dirt, oil, and makeup * Maintains the skin in a clean and fresh condition * Soak it in water several times until it expands to full size before using. * Each sponge can expand up to 3.15 inches/8 cm in diameter and 3/8 inches in thickness with enough water * Squeeze out water after each use and store in a cool dry place.