The Brumate Dark Aura 40oz Era Flip Tumbler combines sleek design with serious functionality. Its flip-down straw and slide seal keep your beverage secure and fresh, while advanced insulation maintains cold drinks for over 24 hours. The cup holder-friendly base fits seamlessly into your car, desk, or bag.

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.