Features: Material: Made of stainless steel, also keeps drinks odor free. Features: Our Tumblers can keeps hot / iced beverage up to 6 hours. Pour hot or iced coffee in your coffee travel mug and feel energized for the day. Large capacity: small and beautiful, easy to carry, suitable for indoor and outdoor such as work, school, travel, riding, etc. Portable: Our Travel Mugs with a lids, with airtight silicone seal; Flip double buckle Leak-proof 180 degree. : The bottom of the coffee mug has a rubber sole to your mug from sliding and tipping over. Specifications: Material: inner 304 stainless steel, out 201 stainless steel Color: white, black, green, pink Insulation: 8-12 hours Size: (Approx) (LxH) 380ml-7.8x13.5cm/3x5.3inch, 510ml-7.8x16.5cm/7.8x6.5inch Package Included: 1 PC x Tumbler Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.