Small size, large capacity. This is a great bag which allows you to take your cellphones, keys, money and cards while exercise, never worry about losing them, let your hands be free, enjoy your running. u003cbr/u003eFeatures:Ultra light and super soft material make a perfect fit, breathable and comfortable wear experience.Large enough for any phone with a screen up to 7.5 inches.Headphone jack design, you can enjoy music, respond to call while running, free your hands.Ample storage space, the large one is for your smartphone, small zippered one is for your cards and keys,etc.Flexible fabric stays firmly in place so you wonand39;t have to pull, tug or readjust while exercising.Great for running, cycling, mountaineering, hiking and other outdoor activities. u003cbr/u003eSpecifications:Material: 92% Polyester and43; 8% spandex.colour: Black / Blue / Pink / Dark Gray / Light Gray .Product Size: S / M / L / XL .Bag Length: 18 cm / 7.1 inArm Circumference : 19 - 37 cm / 7.5-14.6 inPacking Size: 20 x 15 cm / 7.9 x 5.9 inPacking Weight: Approx. 30 g / 1.1 ozu003cbr/u003ePackage List: 1 x Arm Bag