Keep fluids cooler, longer, while easily managing your phone, apps, and music with this versatile smartphone carrier and insulated flask combination. 18oz / 535 mL double-wall insulated and hi-viz SpeedDraw Flask with Push-Pull Blast Valve cap offers quick bursts of fluid and keeps liquids cooler longer Integrated 3M reflective fabric offers 360-degree reflectivity for added visibility in low-light conditions Double-wall construction keeps fluids cooler 20% longer than other insulated bottles Zippered pocket with see-thru conductive touchscreen technology keeps your phone and other running essentials protected, while allowing you to see your splits, playlist, and incoming messages Fully-adjustable hand strap with chafe-free thumb hole enables grip-free running Headphone port located at the bottom to accommodate audio jack Fits most smartphones Storage Capacity: 13.2 cu in/0.2 Liters Weight With Bottle: 3.8 oz/108 g