Come and see our amazing products. It Has Two Compartments And A High Quality Zipper To Ensure That It Won'T Slip During Leisure Time.The Strong Elastic Straps Fit The Arm Effectively.Humanized Earphone Jack Is Reserved To Facilitate The Enjoyment Of Music During Sports.Made Of Waterproof Cloth,Can Effectively Waterproof.Dimensions: 3.94 "X 7.09".It Can Basically Be Compatible With Mobile Phones Below 7.2 Inches. Pls confirm further with us if any query about packing info, inventory status and time schedule.