There are 4 protective caps on the bottom of legs to ensure protecting your floor from scratches. Manufactured woods we use in our products are top quality and finished in walnut wood-look. Metal frame is 25 mm in diameter, it is electrostatic black painted metal and manufactured by our expert craftsmen. Made in Turkey. Cleaning with a slightly wet cloth would be enough. We recommend not to leave your furniture wet for too long. Assembly elements and guide are included in the box. It has an uncomplicated assembly structure for your convenience. Additional tools may be needed. | Loft Home Free Standing Bookcase - Black | Wowcher