Boardwalk? Cellulose Sponges Ultra-absorbent durable cellulose sponge for all your cleaning needs. Soaks up spills and wipes surface clean. Convenient and gentle cleaning tool for kitchens bathrooms offices and industrial settings. Makes cleaning faster and easier by carrying cleaning solutions and water to the work surface. Small. Sponge Type: Cleaning; Material(s): Cellulose; Shape: Rectangular; Width: 3.6 .