• WATERPROOF LED DISPLAY: Waterproof LED display which can be completely submerged in water. Just touch the LED display and the liquid temperature will be displayed on the LED display. You don't have to test the temperature with your mouth or burn yourself
• DURABLE KEEP HEAT COLD: Vacuum from cups and mugs can block heat transfer.
• ULTRA CAPACITY BATTERY: Large capacity lithium battery, the screen will automatically turn off when not in use

Home Outdoor Smart Vacuum  Stainless Steel Thermos Cup Bamboo Wooden Fiber Water Bottle With LED Temperature Display .

•  SLIM, LIGHT & STRONG: Each tea bottle is made of lightweight Stainless Steel and Natural, Sustainably Sourced Bamboo and has a leak-proof vacuum seal lid.
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•  KEEP THE BEVERAGE HOT OR COLD: Each bottle uses Vacuum Insulation Technology to keep your beverage HOT for up to 12 hours and COLD for up to 24 hours.

Formujet Sublimation Tape for Mug Printing, Mobile Covers Heat Transfer Printing with High Temprature Resistance.