Constructed out of pure titanium, the Toaks 150ml Wine Flask is a durable, on-the-go container for campers and outdoor enthusiasts. A flannel bag is included for safe keeping. Material: Titanium (no coating). Weight: 1.55 oz. Capacity: 5.28 fl oz (150ml). Dimensions: 3 5/8" W x 4 1/16" H (including the cap) x 1 1/8" thickness.