FOLDABLE / FLEXIBLE / REUSEABLE - Do as many back flips as you'd like Stars & stripes GREAT ANYWHERE! ANYTIME! - Shopping, Tailgating on Gameday, Camping, Hiking, Fishing, Hunting, Concerts, Picnics, Skiing, Snowmobiling… PERFECT SIZE - each flask holds roughly 5 shots(7.5fl-oz to be exact) According to the internet, they work wonderfully well with drinks and flavored gelatin snacks Simply fill, stow and go; no more worries about bottle breakage or losing expensive flasks at events (7)