This is a SOP16 Transfer to DIP16 IC Adapter Converter Adapter Plate.  Just solder the SMD chips on the board and plug them into the breadboard will make it convenient to do prototyping. It can be used repeatedly also.

Note: Package includes one Quantity of SOP16 Transfer to DIP16 IC Adapter in the image shows both sides of Adapter 

Specification:

1. Board Color: Yellow.
2. PCB Dimensions (L x W x H mm: 21.5 x 16 x 1.5
3. Pitch: 0.4 mm.