Made of unbreakable 304 food grade stainless steel, with insulation. The lid has a built-in leak-proof silicone ring for strong sealing. Stay beverage either hot or cold for up to 8 hours. High temperature resistance. Application at home, office, pools, hot tubs, the beach, picnics or anywhere else outdoors.
It is a 16 oz mug, ideal for household, office, etc.