Description: Good Quality: Coffee Grinder Blowing bean bin is made of high quality aluminum alloy and silicone, durable and sturdy. Cleaning Tool: Manually press to blow out the powder, and at the same time clean the residual powder inside the machine to keep the inside of the bean bin clean. Feature: Can be effectively solved powder clogging, stuck powder, or residual powder. Widely Used: Grinder blowing bean bin suitable for kitchens, households, restaurants, hotels, cafes, coffee shops, etc. Easy to Clean: Easy to wash and clean, and can be used repeatedly. Specification: Material: Aluminum Alloy, Silicone Color: Black Size Chart: 7.85cmx7.35cmx7cm/3.09inchx2.89inchx2.76inch Inner Diameter 6cm/2.36inch The maximum diameter of elastic expansion is 7cm Package Includes: 1 Coffee Grinder Blowing Bean Bin Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on line shopping!