They say wine is the secret to a long, happy life. This custom wine tumbler helps you enjoy your favorite wines at the perfect temperature and can now accommodate your personal designs. Its double-insulated walls help retain your drinks soothingly hot or refreshingly cold, while the stainless steel, stemless design makes for incredible durability and ease of use. .: Material: 18/8 food grade stainless steel .: One size: 12oz (0.35 l) .: Seamless vacuum-insulated double-wall construction .: Clear, BPA-free press-on lid with slide closure .: Keeps liquids cold for 24 hours & hot for 12 hours .: Horizontal stipple print texture .: NB! Colors on the product might appear less bright than on the mockup, for higher color fidelity we recommend oversaturating your colors or overall image. .: NB! Hand wash only