Features Includes A 10 Oz (296 Ml) Hydrapak® Ultraflask™ Soft Fabric Adds Carrying Comfort Insulated Sleeve Material Keeps The Flask Cool Thumb-Lock™ Strap Design Easy-To-Hold Design Zipper Pocket Can Store An Iphone 8, Gels, And Id 2 Quick-Access Gel Slots For Easy Access For Nutrition A Clip In The Pocket Secures Keys Adjustable Strap Fits Multiple Hand Sizes Storage Zipper Pocket: 3.5 In / 9 Cm W X 5 In / 13 Cm H Flask Details Soft Flask Collapses When Empty High-Flow Bite Valve For Quick Hydration Large 42 Mm Opening Allows Easy Filling And Cleaning Bpa And Pvc-Free.​​