Size: ø74 x H226 mm / volume: 500 ml Materials: 18-8 Stainless steel, Polypropylene, Silicone BPA Free Keeps drinks hot and cold for 6 hours (Hot above 69°C / 156°F, cold below 7°C / 46°F) For maximum insulation efficiency, preheat or precool the tumbler prior to use by filling in a bit of hot/cold water for 1-2 mins. Do not put in dry ice or carbonated beverage as the product may expand and break. You can use it with dairy products, fruit juices, and sports drinks but we recommend not leaving the drink inside for too long as it may spoil or cause rust on tumbler. Immediately wash and dry well after use, then store it away from other metals to prevent rust. Wash with care. This is a tumbler for beverage. Do not use in a microwave, oven, or dishwasher. Do not put in boiling water. Be careful not to pour too much beverage as it may overflow when closing. Close the lid and cap tightly to prevent spills or leakage when carrying. Attach the silicone rings correctly. Keep the product upright