RevoMax Twist-free Vacuum Insulated Flask / Vacuum insulated flask

Revomax twist-free flask can be opened /closed with one hand in one second ,Which meets user’s need of quick access to the contents in the bottle . This also helps people drink with one hand when the other hand is occupied in various life scenario.
Twist-free cap is truly an innovative tech which ensures no accidental open ,and it keeps cold up to 36h , hot up to 18h , It also has a practical function of being able to handle carbonated drinks or gas liquid with special design of pressure release valve .
In a word , It can do all traditional screw-top bottles do but just quicker, simpler and securer,like comparing zippers to buttons .