Simply Pure Hydration Purist 23 oz Insulated Water Bottle - BPA Free Sport Bottle - 20% Colder Than Other Insulated Bottles - Limited Edition, Fixy Cap FIXY CAP. Always on. Never have to open or close with patented Heart Valve gives you water when you want it. GREAT BICYCLE WATER BOTTLE. KEEPS DRINK 20% COLDER. Insulation keeps your drink 20% cooler than other insulated bottles. Add ice easily with the wide mouth cap, and keep your drink cool for when you most want it cool! STAINLESS, ODOR-FREE, NO TASTE RESIDUE. BPA free plastic made from FBA food-grade materials and printed with non-solvent base (UV cured) CPSC-approved ink. EASY TO USE - EASY TO DRINK - EASY TO ADD ICE. Lightweight flexible bottle with an easy-grip and a great fit into your bike cage or bottle holster.