girik Arm Band Case for Compatible for All Smart Phones Apple iPhone, iPod, Samsung, Mi, Xiaomi, HTC ,Windows,Nokia etc.  (Grey, Black, Band, Pack of: 1)

MATERIALS : ?Made of high quality material stretchable resistant nylon Cloth,Velcro & Zipper . The GIRIK Armband case easily bends, flexes, twists, and folds without warping. Comfort-grip keeps the band firmly on your arm during workouts and running. SAFETY STRIP : ?Imagine you are on a track early morning or late afternoon, the environment can be dark or less visible, thinking of this while manufacturing the Armband we have installed the white stripes in a rectangular shape which glow in that condition (dark or less visible). MULTIPLE HEADPHONE JACK CUTOUTS : ?Multiple port holes allow it to work with any device. There are 4 cutouts to accommodate any type of phone. EXTRA SPACE : ?Built-in key pocket; secret compartment stores your house key while exercising. Integrated key slot keeps your key safe. UNIVERSAL SIZING : ?The GIRIK armband features two arm strap slots for big and small arm sizes. Multi-slot Adjustable Velcro Armband Will Fit Almost Any Arm Size NON SKID VELCRO : ?Comfort-grip keeps the band firmly on your arm during workouts and running. EXTRA FEATURES : ?Water resistant design protects against water and sweat. Special coated layer repels sweat and water and keeps your device safe inside.