The Hydro Flask Wide Mouth Flex Straw Cap is designed for convenience, letting you enjoy your favourite drink on the move. The straw is customisable to fit any Wide Mouth Hydro Flask, while the honeycomb-insulated cap ensures your beverage stays at the perfect temperature. With its comfortable Flex Strap, this leakproof cap makes hydration easy and reliable.

• Fits all Hydro Flask Wide Mouth bottles
• Trimmable straw 
• Honeycomb insulation 
• Leakproof design 
• BPA-free and toxin-free