Strip board for soldering through hole components to for prototyping and electronic circuit work.
Nice quality.  Green PCB with plated thru holes. 
 
Holed identified using lettering matrix - Light green lettering on dark green background 
Columns: 1 to 31, Rows: A to z (26)  making   31 x 26 =  806 holes
 
24 larger pads for soldering external connectors / potentiometers onto available each end and both sides
 
Dimensions: 7cm x 9 cm   (70mm x 90mm)
31 Columns by 26 rows ( 806 holes)
 
Double Sided Green Board