The pieces are made from orange PLA plastic filament. I chose this color so it would be easily seen amidst all the other units on the board. The idea behind these is when you are planning your battles you place one at each conflict so that when you start rolling things out you don’t forget a small battle in a random location. They are the same height (25mm) as the major complexes that I also sell. Due to the process of printing there may be some imperfections, but most, if there are any, will be on the bottom of the cloud, and this not visible when playing. This is due to the printer being unable to print the plastic over thin air, so it has to have supporting material that is broken away afterwards. If you are looking for a different amount, you can contact me using the Etsy messaging system and I can set up a separate listing just for you. I’m pretty quick to respond, so it shouldn’t be an issue. Any questions, feel free to reach out to me. For more items that I sell, see the below listings: Spring 1942 Complex Set: Global 1940 Base and Complex Set: Air/Naval Base Set: Global 1940 Complex Set: Convoy Marker Set: Conflict Marker Set: Global War 1936 Set: These models were modified with permission from a design by Syzguru11