Beer lovers, this one's for you. Klean Kanteen stainless steel growlers are a simple and convenient way to grab beer to-go from your local taproom. Beautifully designed and built to last, our growlers are timeless, practical and offer safe transport for green juice, water, wine, kombucha, or cold-brewed coffee. Features include removable Swing Lok Cap made of a all stainless steel construction and threadless for a tighter seal and leak resistance. A Large 44mm opening for easy filling and pouring and a Electropolished interior that doesn't retain or impact flavors..