Made for life on the go, the Resa 35 oz. combines a 100% leakproof locking lid, built-in silicone swing handle, and BruMate's ColdKey(TM) stainless steel straw for a spill-free sip every time. With a swappable sleeve to protect against dents and dings, and temp retention that keeps your drinks cold for 24+ hours, it's the ultimate travel companion - plus, most finishes are dishwasher safe for easy cleaning. Resa Tumblers are 100% leakproof with cold beverages and carbonated beverages with ice when in the locked position. Not recommended for use with hot beverages. Features: Simple turn of the Mode indicator makes the Resa leakproof Keeps beverages cold for 24+ hours U-Turn(TM) Leakproof Straw Lid has three modes for stress-free sips and cleaning ColdKey(TM) Stainless Steel Straw minimizes plastic exposure in your drink Easy-carry swing handle for convenient carrying Designed to fit perfectly in most cup holders Swappable silicone sleeve protects against dents Dishwasher safe