- Leakproof lid – Folding straw is leakproof when closed securely
- Double-wall design keeps bottles sweat-free Powder coated for sure grip – even when hands are sweaty
- Vacuum insulation keeps drinks ice cold to help you revive quickly
- No flavor transfer – switch from pre-workout, to water, to protein shake with no lingering tastes
- Removable, protective bumper for added durability
- Lifetime Warranty: Awesome. Guaranteed.