Beer Foamer, Portable Handy Beer Frother Airlock Bubbler, Micro-foam Creamy Beer Foam Maker Dispenser Beer Bubbler for Canned Beer featuresJust slide it on the bottle neck and pour; swirls the beer and mixes in just the right amount of oxygen to produce a rich head, resulting in a fresh-from-the-tap taste. is completely reusable, and dishwasher safe. It's small enough to carry in your pocket too, so when you're at a bar or restaurant that doesn't have your favorite beer on tap and only has bottled, you can still get that rich draft flavor. is purely mechanical and can be used again and again. There are no CO2 capsules, no batteries, and nothing to refill. Just slide it onto the bottle and pour. You don't even have to tilt the glass; with this item, the beer flows through a special sieve structure that swirls it, reducing the CO2 content and maximizing oxygen contact. This results in the natural taste of the beer coming to the fore, just like a freshly tapped brew. Beer foaming, making the beer taste like draft beer Product: Beer Bubbler Product size: 7.2x3.3cm Product with packaging weight: 30g color: gray Color box: 8.5x4x4cm. Beer Foamer, Portable Handy Beer Frother Airlock Bubbler, Micro-foam Creamy Beer Foam Maker Dispenser Beer Bubbler for Canned Beer. Package includesBeer foaming machine * 1