Sanrio Cinnamoroll Vichy-Smart Bottle Block

500ml reusable stainless steel thermos bottle with double wall and built-in tea filter. Keeps drinks cold or hot for up to 8 hours. LED display on the lid to show the temperature at the touch of a button. Long-lasting built-in battery (up to 1000 days), without charging and with waterproof cover (not submersible).