Material and size: the green polishing compound are mainly made of aluminum oxide, stearic acid and paraffin, they are the same size, 4.4 inch/ 11.2 cm in length, 1.3 inch/ 3.3 cm in width and 0.87 inch/ 2.2 cm in height Multiple functions: the leather sharpening compounds do not contain any toxic elements and unpleasant odor, they are designed for polishing, buffing, removing and sharpening Effective uses: the compounds can be applied to polishing wheels by running the wheel on a motor/drill and gently pressing the compound against the wheel, then the friction will help the compound attach to the polishing wheel; Polishing compounds are also effective to use on leather, you just need to hand paint them on the leather and they will attach to the leather Wide Application: You can polish your knives, straight razors, wood chisels or other tools by using polishing compounds. The items to be polished should be gently pressed onto the polishing surface. In continuous operation, the compounds on the polishing wheel should be updated every 10-15 minutes. Please use a towel to remove the chips after finishing polishing. Please wear work clothes to protect yourself when polishing (work clothes are not included). Note: The data are all measured manually, please allow 1-3cm error Due to differences in light and display, there may be some color differences, please refer to the actual item received.