The 12 oz. Chianti wine tumbler has a stainless steel outer wall and polypropylene inner wall. The clear AS lid protects your drink between sips and the base pad keeps it from slipping on your table top. BPA free and FDA compliant. This custom chianti 12 oz. double wall steel/pp liner tumbler. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization available: Print your logo or customize packaging and color schemes. Product Highlights: BPA-free, leak-proof, travel-friendly.