OCB - 1 1/4 - Roller Machine - Box of 6 Wood Composite - 79mm OCB WPC ROLLERS For straight-up smokes every time, this wood-and-plastic composite roller makes easy work of putting paper and product together, thanks in large part to the soft, nonstick belt made of TPU (thermoplastic polyurethane, to Engineer-types). Fill this roller to full capacity for thicker smokes, or sprinkle just a little to create the perfect slim
