Ten open cubes arranged over four tiers give this engineered wood bookshelf flexible storage for books, bins and decorative pieces while helping keep your home office or bedroom organized. The 51.5 x 10 x 51 in overall size and 12 x 10 x 12 in cube openings provide room for novels, files and small baskets. Each top shelf supports up to 25 lbs and each open cube supports up to 15 lbs to store heavier items. Two anti-tipping kits secure the unit to the wall and protective foot pads help shield floors.