Only attached to the canned beer, "Beer Hour" is an innovative beer server to be able to give create a creamy foam. It is indispensable to good beer, plays the role of the lid "bubble". I will protect the flavor and prevent escape of carbon dioxide, to oxidize the beer is exposed to air. You can pour the beer golden ratio of 7:3 without needing a technique anyone can use the "Beer Hour". x1 body weight product code / 4904790515385 body size (about) / H168xW140xD65mm The main body of set contents / (about) / 148g Main Material / ABS , 20 years of age or polyacetal, silicon rubber Battery / single 4x1 (sold separately) Production country / China unit / one Age