**Please note, you will see some slight lines between each of the pieces. Gluing these together can help smooth that out or you can paint these with most off the shelf spray paints. For more tips on how to make the most out of your Crown Molding, follow the included documentation that will be provided in your order. Transform your Billy Bookshelf with our Snap-On Crown Molding Kit Add a finished, custom look to your Billy shelves—no tools, glue, or hardware needed. Key Features: Compatibility: Works with Billy bookshelves without doors. Not compatible with corner units or door-attached variants. What's Included: Each kit contains a Right, Left, and Front Crown Molding piece—enough to fully wrap one Billy shelf, whether wide or narrow. Expandable: Have more than one shelf? Just order one kit per shelf. Each kit is made to fit a single shelf, no matter the width. Simple Assembly: Just unbox and snap on—no glue or screws required. Instructions included in every order. Pro Tip: You may see fine seam lines between pieces. These can be minimized with a bit of painter's tape or removed completely by gluing or painting the pieces to match your style.