The removable wrist strap allows you to keep things secure around your wrist for all those on the go moments. The size of the wristlet also allows you to keep all your must-haves together so feel free to toss it from tote to tote. Large size works great as a "hold all" wristlet from your phone to cards and must have everyday items! Zipper Opening Measurement is 8 1/4 in. Center Body Measurements : 9½ in. x 5 ½ in.