DescriptionThis item is a arm bag made with high grade material for superior durability. It is suitable for all hand shapes with comfortable feeling. Wristband mobile phone pack for running. No worry about where to place phones when doing sports. Lightweight and breathable for comfortable wearing.Features-Material: Polyester. -Size M: About 18.00X12.00X1.00cm/7.07X4.72X0.39inch. Perimeter: 24cm/9.45inch, Length: 18cm/7.09inch, Arm Width: 24-26cm/9.45-10.24inch. -Size L: About 18.50X12.50X1.00cm/7.27X4.91X0.39inch. Perimeter: 27cm/10.63inch, Length: 18cm/7.09inch, Arm Width: 27-29cm/10.64-11.42inch. -Size XL: About 19.00X13.00X1.00cm/7.47X5.11X0.39inch; Perimeter: 30cm/11.81inch, Length: 18cm/7.09inch, Arm Width: 30-37cm/11.81-14.57inch. -Our armband pouch is high-grade, high performance but price is more reasonable. -This arm bag is designed for mobile phones, making sure the phone safety when you are exercising. -Perfect and suitable while jogging, playing, biking, running, doing gym, climbing, horse riding, etc. -Flexible and lightweight design, and practical for using, adjustable design makes it easy to take. -Our arm phone pouch could last for a long term, durable enough, and we have earphone holes. Convenient and practical.