40 pound box of ground up King plastic marine board or Colorboard. My grinder has 7.5 mm teeth so that's the largest size of the pellet. It works in my injection molder just fine with a 18mm screw. Most chips are about 1/4" or smaller. This plastic has uv stabilizers added and is ready to extrude or mold. 

Can also be used to fill cornhole bags or weighted blankets

12 colors available and BLACK will be sent to you unless you leave a message stating which color you want

WhiteDolphin GrayCharcoalSandshadeMocha BrownRedOrangeYellowGreenBlueIndigo