Tumbled marble coaster
Additional image shows four coasters stacked to show a side view
San Antonio Red Heart Coaster
Coasters are printed on a 4" x 4" x 0.25" tumbled marble coaster with full cork on the back.
Group four together to use as a trivet for a hot casserole.
To clean, wipe gently with a damp cloth. Do not use alcohol based cleaners.