NOT PAINTED.   You will need to remove these models from their support sprues.  
Imitation model concrete triangle bunds for your larger oil tanks and oil fields.
This pack contains:
 
14 x straight sections
2 x left corner sections
2 x right corner sections
2 x tee sections
3 x bund stairs steps up and over
 
This creates a bund 675mm long by 292mm wide.  The bund height is 18.5mm
Designed and manufactured in the UK by Goodwood Scenics Ltd