Come and see our amazing products.The high-transparent acrylic cover opens and closes by pushing the cover and making it easier to install. Visible design, easy identification of seasonings without confusion. Detachable grinding head can be cleaned anytime and anywhere to prevent odor and residue. The maxium of grinder usage can be up to 1,000 times. Fill, Click and Flip-only 3 steps to get fresh ground spices.4 AAA sized battery required for operation. Thickness controllable. (battery not included) Pls confirm further with us if any query about packing info, inventory status and time schedule.