Product descriptionSize: 10*18cmColor: green, blue, blackMaterial: diving clothPackage content: 1pcs sports mobile phone arm bag1. COMFORTABLE AND ELASTIC LYCRA MATERIAL: Unlike other neoprene wristbands, our elastic wristband is made of high quality Lycra / Spandex material, which makes the wristbands more comfortable and elastic for your arm.2.LARGE CAPACITY: The phone bracelet has 2 large pockets. Size 10 cm wide and 18 cm long. This is big enough for cellphones of all sizes.3.WATER-RESISTANT AND SWEAT-PROOF: This holder for workout phones is made of high-quality Lycra material and is sweat-proof. If we run or exercise, we will surely sweat. With this arm phone holder, you don't need to worry that your phone or money, cards have been ruined by sweat!4.LIGHTWEIGHT AND COMFORTABLE: The running armband is made of high quality Lycra (Spandex) and weighs only 3 ounces. The super elastic property of spandex makes the arm phone holder very comfortable compared to bracelets made of other material.5.UNIVERSAL SIZE: The phone bracelet has two Velcro fasteners that offer you the greatest possible flexibility. From 15cm to 40cm, you can easily adjust the clasp to find your best fit!