This holder seems to be designed for ease of use, allowing for quick insertion and removal of the iPhone. The choice of color and the matte finish indicate a preference for a subtle yet stylish accessory that would complement various environments. 
 

Design: It features smooth, curved edges and an open structure,  a focus on simplicity and functionality.
Style: The style is contemporary, with a matte finish that contributes to its sleek appearance.
Color: It is grey or white colour, a neutral color that conveys a sense of sophistication and modernity.