Features:Material: Food grade double wall stainless steel. No BPA. With this mug, you can enjoy cold water, hot water, coffee, beverages and any beverage you want at any time. It has pure taste, no residual taste and protects your health. It is a reusable and reusable cold water bottle and hot water bottle, double wall design, perfect insulation Your favorite beverage stays hot and cold for a few hours. Avoid the hassle of plastic bottles and enjoy fragrant hot drinks or cool refreshments anywhere. Perfect design: Prevent liquid leakage. Regardless of the temperature of the liquid, do not wet your hands. The neck of the thermal bottle is smooth and round, and the volume is small and light. You can go to the gym, travel, school, hiking or office, providing delicious food at any time Large capacity, extremely light: insulated tumbler in slim formats with a light body and an ideal capacity of 500ml Notes:1. Due to manual measurement, please allow 1-3 cm error. Make sure you don't mind before you bid.2.Colors may vary due to different monitors, please understand.