Fundamental Rockhound Products: 1 lb HDPE Plastic Pellets Beads Rock Tumbling Media for Filler, Cushioning, Protecting One pound 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 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. Well packaged in plastic bag reclosable bag for easy open and close. Made in USA