6oz Brown Leather Flask with Square Engrave Area Add On Gift Options:Funnel + 2 Shot Glasses Each hip flask is leak-tested

Each hip flask is leak-tested using a proprietary system that submerges the flask under water and injects air into it while a sophisticated computer scans for bubbles

Mustache flasks are often considered elegant and classy making them perfect for more formal functions such as a graduation

The leather is top quality and the stainless steel is 304

- Premium Quality 304 Stainless Steel

6oz Brown Leather Flask with Square Engrave Area Add On Gift Options:Funnel + 2 Shot Glasses Each hip flask is leak-testedThis 6oz brown premium split grain leather flask features a 304 stainless steel body that is a full 0. 5mm thick making it puncture resistant and leak proof. The flaps, or wings, on either side of the flask are replicated to look just like leather flasks created in the 1920's and 1930's. The flask has a large square engrave area that is accented with white stitching which makes the personalization stand out more. This is a great flask that makes a