Designed with new durable material and a soft-feel silicone mouthpiece, simply slide the button and the mouthpiece will flip up for easy and one-handed hydration.
- Universally fits all frank green bottle sizes.
- Slide the button to release the mouthpiece.
- Made from new extra durable copolymer material.
- Soft-feel silicone mouthpiece for comfort.
- Perfect for gym days or nail salon days!