Item in storage: Suntory Malt's Jack Server This appears to be a server (ice bucket/portable keg) with a cooling function, featuring the Suntory Malt's logo, often seen in the used market. Key features of this product are as follows: Brand: Promotional item or related merchandise from Suntory's "Malt's" brand. Structure: It has a spout (lever), and it is presumed to be a type that is used by pouring drinks from the top while keeping them cool. The label has a warning: "Return the lever after use." Design: The label states "100% Malt," a characteristic of Malt's. Satisfaction Co., Ltd. Satisfaction Co., Ltd. The "Malt's" brand itself was launched in 1986 and is a long-standing beer brand of Suntory, having been updated to "The Malt's" in 2015.