Build your own Double Bench Chair with FREE plans and a 15 minute video tutorial that breaks this project down into easy steps so you can take action and build this project for your patio! by tammy (Beginner Woodworking Bob Vila)
To make a river stone mat first you have to gather or purchase river stones. After that take a plastic mat and arrange all the stones on it. Then stick all the stones one by one to the plastic mat by using silicone sealer. Let the sealer dry completely.