Muddling, shaking, straining, and pouring is more than just a pleasure, it is a craft. This collection of high quality tactile bar tools is expertly designed to meet the needs of the home bartender and entertainer. Cheers! Double-sided Jigger features 1-ounce capacity and 1/2 ounce capacity. Lifetime warranty. www.craftkitchenus.com. Made in China.