When you make shelving or any other project using plywood, you have the problem of having the laminated ends showing. So adding edge banding is one route to hide it. Many will make their own edge banding because it really is easy to do. Just cut your strips out and glue or nail them on.
But you can also purchase edge banding if you don’t want to make your own. Either way, it is a great way to hide the laminated edges. There are certain tricks to making the edge banding seamless, and the video below will show you how.