The Theo Industrial Ladder Shelf is built with a durable metal frame and oak-laminate reclaimed wood for a vintage look. This 5-tier bookcase has a minimalist style that can fit your home office or living room. Stable bookshelves can carry 50 lbs. per shelf. Put multiple bookcases together to create a multifunctional space that fits your need Easy 35-minute assembly and lifetime manufacturer warranty: try for 100 days.