Progryp Universal Neoprene Mp3 Armband Carrier, Black Holds many sizes of MP3 players, phones, etc. No pockets flap allows for quick, convenient access to player Armband size easily adjustable with one hand up to 20" Provides more protection from bumps, perspiration and elements than a arm strap Players longer than 3 1/4 will stick out the top, however will be firmly held in place once tightened on arm