Insulation Type: Cello life style 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
Screw Top Lid: This flask comes with a sturdy, screw-top cap that prevents leakage and a mouth that is specially designed to enable drip-free sipping, pouring or filling.