"This unique set of vegetal sponges is made of natural plant cellulose. With its fine texture and firm consistency, this natural sponge is soft and gentile to the contours of your face and neck. It is ideal for cleansing and exfoliating all types of skin. Cellulose sponges are hardened when dry. Once wet they are soft and absorbent. Simply inmerse in water to regain its size and bouyancy. "