THICK-FRAME REVERSIBLE PROFILE: This 12-cube bookcase has an open-back 4x3 cube grid with 1.2 inch double thick board construction that helps it fit neatly in living room, bedroom, or home office areas. The bookshelf can stand horizontally or vertically for flexible placement, making it a great value for money choice for medium space rooms that need adaptable storage TWELVE-CUBE OPEN LAYOUT: This bookshelf uses 12 cube shelf spaces so items can be sorted by category and easier to reach across the bookcase. The book shelf can hold books, binders, baskets, framed photos, decor, and storage boxes in separate compartments, helping each 13.4 x 13.4 inch shelf space keep everyday essentials visible instead of crowded together WEIGHT CAPACITY: This book shelf supports up to 30 lbs each (13.6 kg), 55 lbs on the top panel (24.9 kg), and 415 lbs total (188.2 kg), with overall dimensions of 14.6(D) x 43.8(W) x 58.0(H) inches. The bookshelf performs best within recommended limits and is not suitable to hold heavy weight, so this bookcase works better for routine storage than dense oversized loads EASY ASSEMBLY BUILD: This bookcase is made of particle board and includes FSC certification, instructions, labeled parts, and anti-tip hardware so setup is easier to follow from the start. The bookshelf is designed for easy assembly, helping it come together with a guided process for everyday placement in living room, bedroom, or home office areas with organized storage in mind ASSEMBLY REQUIRED FOR SAFE AND STABLE USE: must be assembled according to the included instruction manual Place this book shelf on a flat surface and do not overload the shelves or top panel, because it performs best within recommended limits. This bookshelf is not suitable to hold heavy weight, so stable everyday use depends on following the stated load boundaries