adjustable Size--- This Bookends Designed For Strength And Durability With Three Vertical Compartments width 17 5cm By Height 22cm, Retractable Length From 10-50cm To Meet Various Requirements high Quality---made From Sturdy Heavy-gauge 1 2cm Thick Steel With Hard Enamel Coating Smooth Edges Against Scratches And Chips Non-toxic Heavy Duty And Large Volume Are Great For Holding Files, Magazine, Cookbooks, Notebooks, Etc stable Constructed---outstanding One-piece Chain Feature On The Junction Keeps The Bookends Bookracks More Stable Constructed For Max Strength And Stability more Use---use It To Hold Up Books,magazines, Dvds,hardbacks, Games, Comic Books, Catalogues, Text Books, Binders, Cookbooks, Reference Books, Albums, And MoreWill Be Amazing Present space Save--- This Bookends Takes Less Space Than Traditional Bookends Perfect For Storing Books Away Neatly On A Desk Or Shelf