Keep your beverages ice-cold for 24+ hours with the Brumate Dune 30oz Era Flip Tumbler. The convenient flip-down straw paired with a secure slide seal delivers leak-free sipping whenever you need it. Engineered for rugged reliability and designed with style in mind, this tumbler is the perfect travel companion for work, workouts, or weekend getaways.

Features:

• Leakproof SlideSeal™ lid
• SoftSip™ silicone mouthpiece
• ColdKey™ metal straw 
• Easy carry handle
• Keeps drinks cold 24+ hours
• Cupholder friendly base

Brand: Brumate 

Era Flip Tumblers are 100% leakproof with cold beverages and iced carbonated beverages when in the locked position. Not recommended to be used in the locked position with hot beverages. Using a 50% ice to liquid ratio is recommended when using carbonated beverages with your Era Flip.