This grinder is 2" in diameter and 1.5" tall and can grind spices, tea, rosemary, basil, myrtle and other dry huskless spices，You can conveniently carry it in your pocket. This grinder made of high quality zinc alloy metal,It has 4 layers, the top layer has 16 Metal Grind Teeth and the second layer has 12 Metal Grind Teeth. The strong magnetic lid helps reduce spillage, please don't add too much to the grinding layer at a time! And cut into small pieces. Our entire product is designed with an invisible wave grip, which increases the friction between the grinder and the hand during use, making the grinding process easier and more convenient, It also comes with a small plastic scraper to better help you collect and clean up debris. Grinders can be damaged by rudeness and stress during shipping,If it doesn't open, it can be replaced or a full refund