link to the end of the bolt box from Missouri Star: https://www.missouriquiltco.com/products/end-of-bolt-box?variant=39281278517283&gclid=Cj0KCQiAlKmeBhCkARIsAHy7WVv6vqGNeaNBV_qyVBHuEOXgJrPic6fcGWX5gv5ot990NApGy05G8FYaAoF_EALw_wcB