Insulation Type: Cello Force water Flask features double walled vaccum insulation with inner copper coating that retains the temperature, keeping beverages hot or cold for a prolonged period of time.
This reusable double wall steel water bottle is made from 304 grade stainless steel both inside and out and is leak proof, durable, unbreakable, rust proof, odour free and 100% food grade
Usage: The bottle is absolutely leakproof and scratch resistant making it the choice for rough-and-tough use, A built-in handle enables you to carry it with ease or attach it to a backpack. It is perfect for hiking, biking, camping, or running.