The 18oz Actives Straw Bottles keep you hydrated through any workout or adventure, and also fit in most cup holders. Featuring our leak-proof patented Straw Lid™ for easy, controlled, one-handed drinking. Don’t leave home without one. Dishwasher Safe. Leak-proof lid - Folding straw is leak-proof 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. Hand wash only