Durable and absorbent sponge is made of regenerated natural cellulose and is biodegradable. Use with commercial detergents, soaps and cleaning agents. Soft and pliable when wet. Fine-textured sponge is compressed by 80% for increased efficiency. 3 5/8" x 5 3/4" x 1 3/4". 12 per pack, 12 packages per case.