Material Size 15 x 9 Natural Cattle Horn Water Capacity 18 - 20 oz – 15 cm Weight 340 – 440 grams. Key words Viking Mug, Horn Mug, Beer Mug, Beer Tankard, and Drinking Tankard • 100% Water Buffalo Horn with Acrylic base • Sealed and safe for liquids on the inside, semi-polished on the outside Holds approximately 18 - 20 oz • Cut to measure 6" inches in height. Width can vary depending on the horn • 100% natural and ethically sourced. • Sealed for Leaks and Suitable for Beer, Mead, Ale, Wine or any Beverage • Each tankard is uniquely designed, no one horn is identical. • All Valhalla Drink ware is handcrafted from 100% natural horn that has been shaped as a perfect replica of a medieval style drinking horn. • Each tankard is uniquely designed, no one horn is identical. • All Drink ware is handcrafted from 100% natural horn that has been shaped as a perfect replica of a medieval style drinking horn.