This is a 2-piece Nexus 7 wall mount, designed to hold an Asus Nexus 7 Android tablet securely, but also allow the tablet to slide in and out easily as needed.
The mounting pieces can be attached to the wall using two 3M strips each, although using more is a good idea for extra durability. The tablet completely hides the removal tabs of the 3M strips.
For best results, it is recommended to place the strips on the printout, insert the tablet into the mount, and gently press the entire assembly against the wall. Then pull the tablet out of the mount and firmly press the triangular extensions to secure the 3M strips to the wall.