Scrub brush features polypropylene fill, an iron handle, pointed front end and square block at the other end. Durable, abrasion-resistant brush will not stain, discolor or absorb odors. Design is resistant to solvents, acids, oils, fungus and bacteria growth. Scrub brush can be used wet or dry.Scrub brush features polypropylene fill, an iron handle, pointed front end and square block at the other end. Durable, abrasion-resistant brush will not stain, discolor or absorb odors. Design is resistant to solvents, acids, oils, fungus and bacteria growth. Scrub brush can be used wet or dry.