Five-shelf bookcase is part of Lorell Essentials Series Laminate Furniture that offers high-quality laminate construction and a contemporary design. Shelves are 3/4" thick and made of 18mm thick, medium-density fiberboard with thermally fused, Mahogany laminate for long-lasting use. The visible backing behind the shelves is made with 3mm thick, medium-density fiberboard and matching laminate. Bookcase features four adjustable shelves, one fixed bottom shelf, square edges and adjustable feet. Each shelf holds up to 75 lb.