This bright colored arm band has 2 zipper pockets. You can put your phone or other music device in there when your working out running or walking or cleanig around the yard, anywhere really. The other pocket is roomy enough for some cords or a creditcard or ID some keys or cash. There is a hole to feed earbud jack thru to go to your phone. The band is water resistant and will repel some rain. The band part that straps around the arm is comfortable and adjust with your movement.Stays in place without being too tight or uncofortable. #Rankboosterreview #Sponsored #Lexlsny https://www.amazon.com/Armband-Multifunctional-Running-Cycling-Exercise/dp/B0753F3K7C