Stainless steel bottle Comfy ergonomic side grip Double threaded lid for both left and right handed drinking Patented FreeSip® spout with a built-in straw that lets you sip or swig Triple-layer insulation Leak-proof lid with push-button to open Dedicated lock to make sure liquids stay put BPA, lead, and phthalate-free Wide opening for cleaning and adding ice Dishwasher-safe lid and hand-washable cup