They say wine is the secret to a long, happy life. This Shark Week 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
• NB! Hand wash only