The Polar Insulated bottle is the Rolls Royce of water bottles. We're not quite sure how they make it, but however they do it - it works! Keep your colds cold, your hots hot, and your mediums medium.
Features:
- Dual-wall construction insulates liquids
- BPA-free, Phthalate-free
- Recyclable LDPE #4 plastic
- Dishwasher and freezer safe
- Removable valve and carrying handle
- Screw top
- Free replacement caps/straps (you pay shipping) at manufacturer's site