These cute 12 oz. wine tumblers are made of 100% BPA-free 18/8 food grade stainless steel. They have a double wall vacuum insulated construction so they can be used for both hot and cold liquids. Do not use bleach or products containing chlorine when cleaning. Hand washing is recommended. Do not use in the microwave. Straw included! If you like the font and color shown in the sample, just leave a note in the 'Note to Seller' box. Vinyl also available in gold glitter, silver glitter and rose gold glitter, just leave me a note in the 'Note to Seller' box.