Horror Hearts glass-like finish and will ensure

glass-like finish and will ensure those details last

it is metal

The tumblers and the epoxy are not dishwasher safe

I cannot be responsible for damage (even accidental) caused by the customer

*Do not microwave

Horror Hearts glass-like finish and will ensurethe DETAILS This 20oz stainless steel tumbler is double walled and vacuum sealed. That means a sweat free cup, and a drink that will stay hot for up to 4 hours or cold for up to 24 hours! Ready to ship! *Hand wash only! Tumblers are not dishwasher safe. *Do not microwave, it is metal! *I cannot be responsible for damage (even accidental) caused by the customer. These are handmade with love, so please handle them with care. Please remember all items