This is a Bicycle Motor Bike 360 Waterproof Phone Case Mount Holder suitable for various mobile phone brands. It is a black pouch made of rigid plastic, measuring 21*10.5cm, with a slip-on fastening. The phone holder is designed to provide 360-degree protection and features a universal mount for all mobile phones. It is shockproof, adjustable, and comes with 2 free EVA gaskets.
eBay