Set of 4 identical cork coasters; laser engraved and cut.

Each coaster:

- is 3.75" (approx. 9.5cm) diameter

- 5/32" (4 mm) thick

- has a 1/16" (1.6 mm) felted bottom

- is engraved with the same design: United Federation of Planets

Protect your furniture from "sweating" drink glasses.

NOT dishwasher safe. Just wipe with a wet towel and let dry.