If you still use normal running armband with a plastic film, you will never know how convenient this rotating armband can be until you try it. Thanks to strong elastic of the rubber belt, this armband compatible with all smart phones with screen size from 4" to 6", and NO need to take off your phone case. Breathable and sweatproof lycra and neoprene material provide soft, odor-free and lightweight wearing experience. Your phone will never be tight up against your skin which allows your skin to breathe.  You can catch any message and call conveniently and capture every perfect moment with this 180° rotation armband that sits snugly on your arm or wrist.             

• Material: PU sweat-proof and water-resistant 
• Suitable Size: Can hold most smart phones with screen size from 4” to 6”
• Adjustable Velcro: Fits any arm size from women small arm 9 inch to man large arm 16 
• Easy on: Can take your phone off easily
• Material: Pink / Green / Black / Blue(Optional)  
• Read or send message easily  
• Stretchy Rubber Hold Phones Securely
• Skin Friendly Material