Fundamental Rockhound Products: 2 lb HDPE Plastic Pellets Beads Rock Tumbling Media for Filler, Cushioning, Protecting Two pounds white plastic pellets for rock tumbling. Used to cushion stones, protect delicate stones, or use as a filler. Made of recycled material, colors range from clear to white and occasionally grey. Size is approximately 1/8" and flat like a little pancake Well packaged in heavy duty plastic bag reclosable bag for easy open and close. Pellets are HDPE - High Density PolyEthelene, more durable and longer lasting than the more expensive Polypropolene pellets. They FLOAT! so are easy to clean. Please see description below for more information. Made in USA