Whether you need to keep your coffee warm while you ski at the resort or your adult beverages cold for multi-day adventures, the Master Unbreakable is the key to make that last sip just as refreshing as the first. Featuring Stanley's QuadVac insulation and rugged stainless steel construction, this bottle will be with you for years to come.
A premium thermos for keeping your drinks the way they were intended
QuadVac insulation extends the time drinks stay at temperature
Stainless steel construction is durable against drops
Leak-proof and packable design keeps your gear dry on trips
Keeps drinks at temp for 40 hours hot, 35 hours cold, 6 days iced