Our Hip Flask is sure to be a perfect fit for your back pocket! Stainless steel flask features an angled base and sides for a comfort fit. Always know your supply level with the see-thru square glass window. Details: Size: Measures 4 1/2" by 3 inches. Holds up to 6 ounces. Materials: Stainless steel Engraving Options: The Hip Flask may be engraved with a circle monogram (See More Photos for chart) or a single block initial at No Additional Cost.