Keeps Drinks Hot for Hours • The advanced insulation technology in our bottles, combined with the matte finish, ensures your hot beverages stay at the perfect temperature for up to 12 hours and cold for 48 hours. 2. Superior Heat Retention • The matte finish doesn’t just look sleek—it enhances the bottle’s ability to trap heat, providing longer-lasting warmth for your coffee, tea, or hot drinks. 3. Prevents Heat Transfer • The insulation helps to keep the bottle’s exterior cool to the touch, even when filled with hot liquid, making it comfortable to carry around.