Material: Made from Lycra neoprene fabric, offering a soft, stretchy, and durable solution for athletes and fitness enthusiastsExternal Dimensions: Measures 17.5*7.8cm, designed to snugly fit mobile phones 5.2 inches and below, providing a compact and convenient carrying optionAdjustable Fit: Accommodates arm circumferences of 10.8-12.5 inches (27.5-31.5cm), ensuring a secure and comfortable fit for a wide range of arm sizesBreathable & Waterproof: Crafted with breathable material that also boasts waterproof properties, keeping your device protected against sweat and the elements during outdoor activitiesSafety Feature: Equipped with a reflective strip, enhancing visibility in low light conditions, making it safer for night runs or evening workoutsCompatible with:UniversalPackage included:1 x Armband Phone PouchOther items not included