Fundamental Rockhound Products: Premium 4 Step Rock Tumbling GRIT KIT 2 lb Plastic Pellets - Enough to Polish up to 10 pounds Rock! Refill High Quality Rock Tumbling Grit Kit to tumble up to 10 pounds of rock. You will receive 1 pound coarse grit, 1 pound medium grit, 1 pound fine grit, 1.2 oz grit saver, and 1/2 pound Aluminum Oxide tumble polish, 2 lb HDPE Plastic Pellets, plus instructions. All supplies are packaged in heavy-duty resealable zipper bags. Plastic Pellets are used for cushioning the stones or as filler. Each grit and polish stage require their own pellets. Instructions and Helpful Tips are included. This is an American Made product, Made in Colorado