Double-wall, vacuum insulated stainless steel design prevents heat transfer to keep your favorite beverage hot or cold all day long. Double cap design controls temperature and stops ice and hot drinks from flowing too quickly. 12oz // φ70 x H170 mm / φ2.8 x H6.8 in / 350 ml 17oz // φ2.9 x H7.9 in / φ73 x H197 mm / 500 ml Materials: 18-8 Stainless steel, Polypropylene, Silicone. BPA Free. Keep drinks hot (65℃/149℉) for 6 hours. Keep drinks cold (8℃/46℉) for 6 hours. For maximum insulation...