Ello Oasis Tumbler
100% LEAKPROOF GUARANTEE: The Resa Series Tumbler is the only fully leakproof straw tumbler designed for both cold and carbonated beverages. Our patent-pending Ü-Turn technology ensures no more spills, no matter how you toss it in your bag or on the go.
COLDKEY METAL STRAW: The Resa Series features our sustainable ColdKey stainless steel straw, engineered to reduce plastic exposure and deliver a cool, crisp sipping experience. The soft-touch silicone tip adds comfort and ease of use, making it the ideal blend of eco-friendly design and user-friendly functionality.
BUILT-IN SILICONE SLEEVE: Our Resa tumbler offers a removable silicone sleeve that shields against dents and dings, making your tumbler more durable and customizable than ever. This adds an extra layer of protection and lets you display your personal style.
24+ HOURS COLD: Thanks to BevGuard insulation, Resa ensures your favorite drinks stay ice-cold for 24+ hours—even with ice. Perfect for carbonated beverages, it keeps your drinks chilled and sparkling for longer.
DISHWASHER SAFE + LIFETIME WARRANTY: Our powder-coated Resa tumblers are top-rack dishwasher safe, and are backed by a lifetime guarantee. Enjoy your favorite drinks without worrying about maintenance. Note: The Dark Aura model is hand wash only, ensuring maximum care and longevity.
