Slip-in 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 on the go; Fully-adjustable hand strap with chafe-free thumb hole that enables grip-free running; Fits most smartphones; Reflective detailing; Dimensions: 8 in Height x 5 in Width; Hand strap Size: One Size Fits Most (4 in - 6 in)