Feature:
1 . Wrapping this arm bag above your wrist, you can run freely while having your hands free
2 . Made of quick-drying microfiber and artificial elastic fiber, this arm bag is soft, smooth, anti-slip
3 . This anti-slip running bag will keep the cellphone in place without easily sliding out, and it will not hurt the bottom of the phone
4 . It can protect the shell of the phone away from the dust, stain, scratches, tear and wear, and bumps
5 .The ultra-thin close-fitting design makes it practical and durable
6 . It can hold the cellphone, bank card, cash, and other gadgets

Detail :
Material :Quick drying microfiber,Artificial elastic fiber
Size :12x10cm/4.7*3.9inch

Include : 
1 x arm bag