These personalized hydration system water bottles are on sale for under $15! Innovative bottle and cartridge system for delicious, fun, personalized hydration. Lid designed to support Cirkul Sip flavor cartridges. Adds refreshing flavors to your water. Extended Cold Retention. Double-wall vacuum insulation for prolonged ice retention in chilled drinks. 26oz BPA-free stainless steel bottle construction. Durable, spill-resistant lid with reusable inner straw featuring StrawSip technology. Flip lid opens by simply clicking a back button. LTKActive LTKfitnessgoals LTKdayinmylife