Say Meow to this wine tumbler, perfect for a beach vacation over the holidays, or daydreaming of the beach in a foot of snow. This custom wine tumbler helps you enjoy your favorite wines at the perfect temperature. 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 12 hours & hot for 6 hours.: NB! Hand wash only