Meet the franksters — frank green's crew of sustainability superheroes and the kids' water bottle they'll actually love. Triple-wall vacuum insulation keeps drinks ice-cold all day, with a virtually unbreakable base and the durable flip straw lid with a soft mouthpiece.
- 20oz/595ml capacity
- Triple-wall vacuum insulated to keep drinks cold
- Durable flip straw lid with soft-feel mouthpiece
- Virtually unbreakable base
- BPA free, leak and spill resistant
- Fits standard cup holders in cars, bikes and prams
- Dishwasher-safe lid; base is hand wash only
- Not microwave safe
