Keep thousands of book in these natural bookcases. With three heights to choose from - 36" , 48" or 60" - you’ll have no problem finding the right bookcase for your classroom. These bookcases are made with 100% recycled wood fiber and promote better indoor air quality. The 36"H bookcase has two adjustable shelves, the 48"H has three adjustable shelves, and the 60"H bookcase has four adjustable shelves. Recommended wall fastener is included. Overall dimensions are 36-1/2"W x 12"D x 48"H.