The SpeedDraw 2 Insulated Handheld 18oz Flask, features an updated shape that is easier to hold and squeeze and keeps fluids cooler longer. The versatile carrier features a power mesh pocket perfect for most smart phones and small zippered pocket perfect for keys or credit cards. Design: Double-wall construction keeps fluids cooler 20% longer than other insulated bottles Large expandable mesh pocket fits most smartphones, plus zipper pocket for valuables Integrated reflective print within flask and on hand strap offers 360-degree visibility ideal for low-light conditions Fully-adjustable hand strap with chafe-free thumb hole that enables grip-free running Technology 18oz / 535 mL double-wall insulated and Hi-Viz SpeedDraw Flask with Push-Pull Blast Valve(TM) cap offers quick bursts of fluid and keeps liquids cooler longer Additional Details Weight: 5.5 oz / 156 g