YIKESHU NESPI CASE+, Retroflag Nespi Case+ Plus Functional Power Button with Safe Shutdown for Raspberry Pi 3 B+ (B Plus);

The Dimension are as follow:
3 5/8" in Length
3 3/16" in Width
1 3/8" in Height

The order comes as 4 individual pieces:
1 - Bottom plate,
1 - Top plate w/ lid attached
2 - Case Clips (Note: this case DOES NOT include a Raspberry Pi).
We also include 4 rubber feet to place on the bottom of the unit to help prevent it from sliding.

It is quick and easy to use and assemble:
1) Simply place your Raspberry Pi 2 or Pi 3 into the bottom plate lining up the 4 holes of the Pi up with the 4 pegs. (Make sure to remove your SD card before seating the Pi.)
2) Take the top case and place it onto the pegs and seat firmly.
3) Place the clips that are labeled with F for Front and B for Back and slide them into the open slots on the top and bottom cases.