4-in-1 ball pen with retractable push-button mechanism. Combination of natural cork barrel and accessories in wheat cane and ABS, to promote the use and recycling of raw materials, thus reducing polluting emissions. With 4 cartridges in blue, red, black and green ink. Made with vegetal elements to promote the use of natural raw materials and reduce pollutant emissions. 4 Ink Colours Cork/ Wheat Straw/ ABS