a bit larger then i intended but im going to roll with it. these are in a very nice upscale glow urethane plastic that is extremely rubbery. i do indeed bag the dirty one. it will stick to any hillside and i love it for upshots. i wasnt going to bag it until i stumbled on the backup then i thought screw it ill just be the only guy on the planet that throws lightning discs. im glad someone else admitted it first