It is a rapid cooling hydrate tumbler

It provides user to have a healthy and delighted experience for enjoying hot drinks An advance technology machining for Koola sealed bottle to generate an enclosed high pressure. Allow 1 minute of gentle shaking can be cooling down the water from 100°C to 55°C.  Hot drinks cooling immediately in safe and healthy condition.

Koola provides a simple and easy flip lip for drinking comfort in cold and hot drinks opening and prevent spilling. Minimal space design while maximizing capacity.