Writing Set Made of Wheat Straw. Practical Kit Consisting Of: - Pencil Made of Wood - Ball Pen Made of Recycled Cardboard Card & Wheat Straw. - Ruler Made of Wheat Straw - Wood Sharpener - Rubber Pencil Case Made of Wheat Straw. Wheat Straw Promotes the Use of Natural Raw Materials, Thus Reducing Pollutant Emissions. 5 Pieces Colours: Natural. Minimum Quantity: 50.