Stainless Steel Vacuum Thermos Cup 500ml (Green Lock Thermos ) Hot n Cold Convenient & Safe Cup Design. The cap is a sipping cup with a handle particularly when drinking hot liquids without burned yourself. High grade stainless steel double wall vaccumed Wall which keeps the drinks hot or cold for long hours.. The flask is equipped with one hand push button and a vertical safety lock which marked with open and close. Its an easier and quicker mechanism for daily use. LID and Cup is made out of a BPA Free Plastic and can be easily clean or wash. Best use for Travelling, Sitting in Porsche etc. Features Durable & Environmental Friendly Flask Inner and outer body made of 304 Stainless Steel Beautiful and attractive design looks amazing Food grade Flask. Odorless Keep your drink warm and it prevents heat outer to not get burned.