Adjustable Size-- This book ends designed for strength and durability with three vertical compartments. Width 5.9" by height 7.5", Retractable length from 3.9" to 17.7" to meet various requirements. High Quality--Made from sturdy heavy-gauge 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 with silicone pad 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 more! Will be amazing present .Space Save-- This bookends takes less space than traditional bookends. Perfect for storing books away neatly on a desk or shelf.