The 20-ounce Owala SmoothSip Slider Tumbler redefines your approach to beverages on the go with a durable design built to keep up with busy lifetyles. Featuring a patented SmoothSip spout, this Owala tumbler provides an effortless drinking experience whether you're on the go or at your desk. The insulated stainless steel construction keeps your drinks at the ideal temperature for hours, while the leakproof slider lid ensures your tumbler stays secure during transport. Sized to fit in cupholders and made from BPA-free materials, this Owala tumbler is built for all-day use and easy cleaning. The SmoothSip Slider Tumbler is an innovative beverage solution to enhance your everyday drinkware.