Shop Collections NACHTMANN Bossa Nova Whisky Tumbler Brumate 35oz Resa Tumbler in Neon Pink Palmetto Moon Amazon.com BrMate Resa 35oz 100% Leakproof Travel Tumbler with Blue Agave 35oz Resa Tumbler Whiskey Skies 24 BOTTLES Tumbler 350ml Deep Blue Hautecuisine.ch. Made for life on the go, the nightfall blue Resa 25oz combines a 100% leakproof locking lid, built in silicone swing handle, and our ColdKey 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, its 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.