Article by The Flex Seal Family
1. Place rocks and space evenly over a covered surface preferable outside in a well ventilated area.
2. Spray the top of the rocks and coat evenly, let dry for about an hour.
3. Turn rocks over once dry, spray again until evenly coated, let dry.
4. Allow rocks to fully cure for 12 hours.
5. Place “Santa’s Coal” in a festive box or mason jar. We found a cute wooden crate and wrote “Santa’s Coal” with a paint marker.