Mediabridge Armband for Samsung Galaxy S5 ( Black ) ( Part# AB1-SGS5-BLACK ) CONVENIENT OPEN FACE DESIGN: Features open & easy access to your phone's screen. Provides access to your phones other important features, such as the headphone jack, volume, power & home buttons. *This armband is not waterproof due to the open face design. A water-resistant version of this armband is available - Amazon Part# B00T6O10W8* SECURE: Our thick, strong & flexible Silicone Rubber Skin is custom molded to fit your phone precisely & will keep your phone secure even during the most vigorous workouts. STAYS PUT: Quality soft Elastic strap lets you to workout in comfort. You can flex & relax your arm without worrying about the strap sliding. Strong Velcro keeps the strap at your level of tightness. STRAP SIZE: Elastic Velcro strap comfortably fits small (9") to large arms (21"). If you have trouble sizing your new armband to fit your arm perfectly, call, Email or visit Mediabridge USA on YouTube