A: The bags are 6 in. x 6 in. and are regulation weight. They are filled with resin corn pellet as the resin does not break down like corn, and the bag is washable.
A: Beverly - staining the boards is a personal preference. The bags will slide smoothly without doing so.
A: yes. it is pretty sturdy. All solid wood.
A: This is birch plywood.
A: Hello 777, Any of the exterior rated paints would do nicely. I suggest using a paint that also includes a primer. Since tossing the bean bags will be hard on any paint, make sure to apply multiple coats. I hope this helps. Cheers, Chris Exterior paints: http://www.homedepot.com/b/Paint-Paint-Colors-Trim/Exterior-Paint/N-5yc1vZbbbpZ1z0q3xg
A: quality outdoor paint in a high gloss for the top surface. An outdoor Spar Urathane works good to if just want the wood look.