This lightweight comfortable armband will securely hold and protect your iPod shuffle/MP3 Player while you enjoy hands-free active listening. Its features include a clear protective mylar window that you can play right through to operate the shuffle's functions and a flap to securely hold down excess earbud cord so it doesn't get tangled up during activity. The armband strap is easily adjustable with one hand up to 18. Pocket dimensions: H - 3.5 W - 1 1/8. (Depth can expand to .3) Features and benefits Operate shuffle functions right through protective mylar window Securely stores excess earbud cord to prevent tangling in arm Protects shuffle from bumps and perspiration during activity Comfortable lightweight secure and hands-free! Armband size is easily adjustable with one hand up to 18 This Armband will also fit Sony NWE400 and NWE500 series MP3 player