Polyethylene foam plank extruded in thickness of greater that 1/2 inches, for use in the further manufacture of packaging, physical therapy aids, sporting goods, toys, boats, dock bumpers, floatation booms, floating pool furniture, personal floatation devices, surf and body board construction, boat cushions, buoys, spas, hot tubs, wall padding, aerobic steps, exercise and camping mats, golf bag and backpack inserts, archery and dart targets, car top boat carriers and racks; and for use in con...