Innovative smart QR code technology makes it easy to retrieve a bottle if it gets lost.
Features & Benefits:
+ Vacuum-insulated wall: 24h cold and 12h warm liquids
+ Stainless steel material ensures a longer life span
+ Leak-proof to keep the backpack dry
+ Enable with lost-proof QR technology
+ Cleaning brush included
+ Free of toxic material
+ Reusable for more sustainable use