I made this jump box for my crossfit class. It is made to be jumped onto and off of over and over, and that's about it. I like the unfinished, utility look, but it is almost impossible to handle without getting splinters. It's going to a location that has a lot of kids, so I need to make it smooth and safe. Can anyone make recommendations for some sort of clear coat or sealer or something that I could use? Ideally, I'd like something that will fill up the gaps, but still be clear to keep the look of the box. I don't want to spend a month curing this or anything though. My other idea is to lightly sand it, paint a solid color, and still throw some type of clear coat on there. Suggestions appreciated.



Box dimensions are 20x24x30 and is made out of 3/4" plywood (thanks T-Giv!)