This durable, absorbent Skilcraft sponge is made of all natural regenerated cellulose and is biodegrable. Good for general cleaning with commercial detergents, soaps and cleaning agents. Sponges have been dried for reduced weight and longer storage life. Expands to full size and is soft and pliable when wet. It also provides extended use and is resistant to fracturing and tearing when used. Perfect for tackling multipurpose wiping and cleaning tasks.