Made in the USA, these 60/80 grit sponges are great for sanding irregular shapes and contours. For usedon wood, metal, fiberglass, and painted surfaces. Completely waterproof–just rinse and re-use. Fits the Gator sanding sponge holder (item# 7233). Size: 3" x 5" x 1" Backing type: sponge Grade: fine/medium Grain: alumi