Engineered with precision, this 40oz insulated stainless steel cup delivers exceptional temperature retention—maintaining beverages warm for 6 hours and cold for 12 hours. The fully sealed construction eliminates leakage concerns, while the reversible lid accommodates both left and right-handed users. Its streamlined profile fits standard cupholders, complemented by a durable hard plastic straw for convenient sipping. Perfect for professionals with demanding schedules who require reliable hydration solutions.