4-Tier Bookshelf Open Bookcase with Anti-Tipping Kit Industrial Storage Unit, Black uses the supplier-listed furniture details for home setup. 4-tier bookshelf for books files photos potted plants decorations etc Anti-tipping kit prevents sudden accidental tipping Anti-falling guardrails prevent items from accidentally falling Screw hole covers and protective caps to helps provide a flawless appearance Smooth surface is easy to maintain Key listed specifications include material: Engineered Wood PE PP dimensions: 31.5" x 10.5" x 48.5" Size of Each Shelf 30.5" x 10" Shelf Spacing 13.5" Height of Top Barrier 4" Load capacity: of Each Shelf 33 lbs weight: 34 lbs.