Original Pencil Sharpener Made of Wheat Straw. Practical Pocket Sharpener Inspired by Nature Due to Its Polished Stone Shape. with a Practical Lid Made of Wheat Straw, It is Easy to Use & Store. Wheat Straw Encourages the Use of Natural Raw Materials, Thus Reducing Pollutant Emissions. Eraser & Sharpener. Colours: Natural. Minimum Quantity: 500.