Large Size with GEAR BUMP: The perfect size Metrix grinder is easy to carry and has a large capacity to help you grind more spices at once. LIDS with STRONG MAGNET:There are strong magnets in the lids, even if you turn the grinder upside down or shake it, the grinder can still stay firm, which will greatly reduce spilling. More:-https://www.easywholesale.com/metrix-grinder.html