Pack Stanleys Adventure Stainless Steel Shot Glass Set so youre ready for a drink wherever you go. 18/8 stainless steel construction is naturally BPA-free and wont rust. Four 2-oz. shot glasses stack and pack in the stainless carrying case with screw-top lid. Lid loop lets you clip it to your pack for simple transport. Dishwasher safe. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Travel Mugs.