3D, 5 layer, super Coasters featuring sports stadiums.
30 Baseball stadiums are available.
Some are shown in the pics, but all are available in the drop down
Top layer is clear acrylic, then 3 layers of thin basswopd and a base of cork
The top is bolted on for a nice effect and it also avoids glue spots
All coasters are 4" round.
See also the listing for 32 Football stadiums (some are pictured here)