KÄLVIN BY VIVORA Insulated Water Bottle 14.2 oz Glacier White | Shake to Activate Hand Warmer & Ice Pack

• Energy Convertible Technology: The 18.9 fl oz Kälvin is a Hand warmer in the winter and cold pack in the summer! Simply shake your closed bottle up and down for five seconds to activate our special Converti-Technology and feel the temperature of your beverage on the outer wall of the bottle!
• Kälvin is made for all seasons. Use during the winter as a thermos to keep your coffee warm during your commute and use it in the summer to keep your ice cold beverage frigid in the sweltering heat.
• Our BPA-free Kälvin leak-proof flex cap gives the user the choice of drinking at their own pace. Users can choose from the quaff narrow spout or take the entire lid off to take gulps of their favorite beverage. The lid also has a special metal loop so your Kälvin can clip in and go where you go
• Not only sleek and minimalist, Kälvin can keep your drink cold for hours with its double-walled, insulated stainless steel configuration. Kälvin bottles fit in most cupholders. Using one canteen all year round is a responsible and sustainable way to stay hydrated
• Not intended for Boiling Liquids: Pressure may build in the bottle causing leaks, spills or burns. Bottles should be hand washed. We want all our customers to enjoy their purchase, contact us you have questions!

• Fill the Bottle — Pour your beverage at ambient temperature, ensuring not to overfill beyond 14.2 oz (420ml).
• Activate Temperature Control — Close the cap tightly, shake the bottle for five seconds to activate Converti-Technology.
• Enjoy or Re-activate — Use as a hand warmer or ice pack. Shake again to re-activate as needed, and clean with hand wash only.

Typical situations where KÄLVIN BY VIVORA Insulated Water Bottle 14.2 oz Glacier White | Shake to Activate Hand Warmer & Ice Pack helps — illustrative scenarios, not customer reviews.