5x 180 grit small area sanding sponge, very fine, 4-1/2" x 2-11/16" x 1".. durable, abrasive-coated foam. high-performance, p-graded, open-coat. flexible & comfortable to shapes & contours. washable. lasts up to 5x longer than sandpaper with resistance to tearing. cuts faster, lasts longer & resists clogging. makes sanding easier of various surfaces & hard-to-reach area. extended life; rinse and reuse.