Sip or swig: Choose either anytime with the Owala FreeSip Water Bottle. Hold it upright and sip through its built-in straw, or tilt it back to swig through the wide-mouth opening. But that's not all: 1 push, and it pops open; 1 push, and it's locked tight. Bye, bye, leaks. Triple-layer, vacuum-insulated stainless steel keeps drinks cold up to a full 24 hours. The easy-clean design allows quick disassembly with minimal hard-to-reach surfaces, and the BPA-free, odor-resistant Tritan plastic ensures eco-friendly lasting quality. It's simply the best water bottle out there for active lifestyles. Sip or swig anytime through built-in straw or wide-mouth opening 1-push locking and unlocking for convenience and leakproof stability Triple-layered, vacuum-insulated stainless steel keeps drinks cold up to 24 hours Easy-clean design BPA-free, odor-resistant Tritan plastic