DESCRIPTION

• Slide lock opening with large opening accommodates ice cubes and easy cleaning after use
• Made in USA with custom mPE/EVA film, naturally antimicrobial, BPA free, zero taste and order free
• Angled easy flow bite valve provides a constant flow-rate
• TPU tubing is odor free and taste free
• Volume markings on the front for making it easy to mix electrolytes or your favorite drink