O&K Furniture 4-Tier Bookcase, Vintage Industrial Style Bookshelves, Vintage Green Three spacious bookshelves: Rustic, industrial-style 4-level open bookshelf 4 shelf bookcases Meaturement: 41.3"W x 12.6"D x 54.9"H inches Made of wood PVC board (not solid wood) with brown metal.There is a distance of 13.75"H between each of the large bookshelves Sturdy, strong square steel tubing frame, Easy to assemble (tools and instructions included) Money Back Guarantee: 30-Days money back guarantee if you are not satisfied with our bookcase