ArroWorthy Tradesman Metal 9 in. W X 9 in. L 1 gal Disposable Paint Tray Kit are a great value offering the best price to performance ratio. Perfect for use on walls, ceilings, trim, marine coatings, fiberglass and epoxy coatings. Roller cover 3/8 in. nap holds a good amount of paint. To minimize fiber shedding, wrap a new roller cover with masking tape and peel it off to remove loose fibers.