3M 02604 Fine Softback Sanding Sponge Sheets 4-1/2 x 5-1/2 Inch, 20 per Box

This sponge sheet sands hard-to-reach areas on cars, trucks and vans such as around headlight openings, door handles, door jambs and other locations. The soft, flexible foam backing conforms to virtually any profile or shape on a vehicle. These sponges are coated with long-lasting aluminum oxide abrasive. The soft foam backing is more flexible than conventional paper backed sandpaper. To access tight locations, the foam backing has been made relatively thin. Use these sponges for hand-sanding applications where you need more precision and detail than could be achieved with machine-sanding methods.

These sponges are highly versatile abrasive products. They have an aluminum oxide mineral coating on a foam pad with a waterproof bonding system, which allows you to use these sponges for both wet and dry sanding, Use them for sanding wood, metal, fiberglass, plastic, gel coats and marine paints.
Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.