Block is a modular shelving system available in a variety of different finishes and heights. This one comes as pictured. It is a stand alone or starter kit.This modular product line gives you the flexibility to build a shelving system that will fit your space. Use this piece as a stand alone bookcase or use it start a wider bookcase to fit your needs - see the extensions available. Simple assembly required. Order pieces separately or let us help you configure.It is made of a durable outer melamine surface and then an interior of engineered honeycomb structure that makes it lightweight yet extremely durable. Use with boxes that slide into a compartment to make functional storage.Features:Timeless, geometric, and balanced designAvailable in fixed compositions or desperate module pieces2 year warranty against product defectsAssembly required: YesMade in EuropeMaterial: durable melamine outer, interior engineered honeycomb wood structureFinish: matte whitenatural walnutfaux-concrete Dimensions: Overall: 16" wide x 13" deep x 88" highCompartments dimensions: 13" H x 13" W