The Perka Taylor Stainless Steel Wine Mug 12 oz. double wall stainless steel vacuum sealed wine cup is perfect for any wine lover to enjoy their favorite wine. Not just for wine, its removable 12 oz. borosilicate glass inner cup will keep the purity of taste for any drink, hot or cold. This cup is easy to use, convenient and has an elegant glossy metallic finish making it the perfect gift. For coffee lovers, this cup will keep your hot coffee hot for 8 hours and your iced coffee cold for 12 hours and is compatible with most single serve coffee machines. The mug features a translucent, push-in sipper lid that fits the steel tumbler with or without the glass inner cup and is FDA compliant and BPA free. A portion of all proceeds is donated to Shelter to Soldier, a non-profit organization that rescues dogs to train as service animals for veterans in need.