Asobu Alpine Flask Stainless Steel Insulated Thermos Water Bottle/Beer Growler 18oz 100% BPA Asobu brings you again the best of the best We took your favorite insulated water bottle the AsobuMighty Flask a slimmed it out to be a portable travel easy Companion At 18Oz this amazing thermos gives just the right amount of room to keep hydrated through out the day With double wall insulation this will keep your water, beer or beverage of your choice cold or hot through out the day The sleek thinned out growler will fit easily in your backpack or car cup holder With its five fantastic colors the Asobu Alpine Stainless Steel Flask makes the perfect gift for Mom, Dad or just about anyone