Monumentum Stainless steel flask Black-Silver 5 oz. (150 ml), screw cap, colour: black-silver (1846 US) Practical 5-ounce flask made of stainless steel (contains ca. 150ml) With screw cap Contoured flask matches the curve of one's hip or thigh Classy, elegant and timeless design A great gift for friends and family - and of course for your personal use!