About This AUTO VACUUM COFFEE CANISTER: Press the start button and the indicator light turns blue to pump the air out of the coffee container. When you open the lid, the coffee bean storage canister will start the vacuum program after 10-15 seconds of detecting air. PROFESSIONAL GRADE VACUUM: The double-layer silicone seal and one-way exhaust valve design prevents air, moisture, odor and other impurities from entering the vacuum container. When you need to remove your coffee beans, simply use your finger to lift the silicone plug in the top center of the canister to open the vacuum container. STANDBY TIME & CAPACITY : This coffee vacuum canister has a 1.1-liter capacity, holding up to 16 ounces of coffee beans. It monitors the pressure inside the bottle and automatically turn on the vacuum program without manual operation. When fully charged, it can perform 200-250 vacuum cycles (approximately 180 days). It can effectively help you keep the mellow aroma of coffee beans, the spice of spices, the crunch of nuts, and retain the flavor and color of food. THOUGHTFUL TRANSPARENT DESIGN: Our airtight coffee canister is made of high borosilicate glass, the transparent body allows you to clearly see the capacity and condition of the food in the canister. The glass jar can be used in the microwave and dishwasher, but please be careful not to put the lid and silicone mat in it. PLEASE NOTE: After removing coffee beans, press down firmly on the lid or twist it to ensure the sealing gasket adheres tightly to the bottle, preventing air leakage. Overview Brand : Olubfdh Color : white Material Feature : Microwave Safe, Dishwasher Safe, Food Grade Capacity : 1.1 Liters Product Dimensions : 4.33"L x 4.33"W x 7.28"H