Easy ! Simply unscrew the bottom glass sphere and hand wash the grinding mechanism and the glass sphere with a mild soap.Beautiful package makes it a gift possible. You can give it to your friend, parents etc.Height: 5.2 inchThis and Pepper Grinder set is made of glass and stainless steel. Durable and Ergonomic Design.1. and Peppers not included5 Grade Adjustable Coarseness: Please adjust the high quality to grind your spices from fine to coarse. Be attention NOT screw too tight, otherwise mightn't working as expected.2. Do not fill up your grinder, leave a little space.4. Rotate the cap or the bottle body is both okay, just make sure clockwise rotation.Perfect for bbq, party and kitchen. AND PEPPER NOT INCLUDED.3. Be attention NOT screw too tight, otherwise mightn't working as expected.Capacity: 6 OZConvenient and Useful: Clear body will tells when to refill through the wide opening easily. And specially designed sealing lid will your spices from , and meanwhile keep fresh.Material: stainless steel + glassSpecification：Note：Width: 2.5 inchLarge Capacity: Height 5.2", width: 2.5", with capacity of 3/4 cup (6 OZ) for all types of seasoning, No need to refill frequently. You can fill them with any kind of spices, not only or pepper.Package Content：1 × pepper grinder