The Yonder Tether Cap attaches to existing chug spout and stays connected to your bottle. The ultra-durable screw cap and tether means you have less to lose out in the the wild, and more to drink. Do not use this Yonder cap with hot, or carbonated beverages. Slip it through a backpack strap or clip it onto a carabiner to take with you anywhere. 

• Dishwasher Safe
• 100% Leakproof 
• Chug Spout not included