Billy are great and easy to customise to fit- I made a wall of black shelving in a bedroom and shelves for a built in closet with them (before IKEA started doin

Billy are great and easy to customise to fit- I made a wall of black shelving in a bedroom and shelves for a built in closet with them (before IKEA started doing closet furntiure). I've found that they don't re-assemble well, they're never as tight after that.