Stay hydrated in style with the Brumate Dune 40oz Era Flip Tumbler. Engineered with a flip-down straw and secure slide seal, it delivers leak-proof convenience wherever you go. Double-wall insulation technology maintains cold temperatures for over 24 hours, making it ideal for work, workouts, and travel.

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.