Acrylic | | ?Sturdy Design?Made Of 4Mm Thickness Acrylic Sheet, 2 Inch Polished Rounded Front Edge Of Wall Mounted Ledge Shelf Prevents Books And Cosmetics Falling Down. 3.2Inch Width, Durable And Invisible, Perfect To Organize Your ChildrenS Books, Toys, Small Picture Frames, And Other Decorative Pieces. | | ?Easy To Install Clean?Sticks To Any Smooth Surface With 12 Strong Screws That Can Hold Weight Up To 20 Lbs. Its High-Quality Drywall Anchors And 3-Screw Design Make It More Stable Than Others. Easy To Install It On Any Smooth Surface As Ceramic Tiles, Marble Stone, Metal, Etc, In Your Bathrooms, Kitchens, Bedrooms, Or Garages. With A Simple Microfiber Cloth, You Can Effortlessly Remove Dirt And Smudges. | | ?Set Of 4 Bookshelves?This Set Comes With 4 Functional Wall Bookshelves, Providing Enough Space For Your Books, Toys, Candles, And Other Small Items At Home. Could Be A Great Addition To Your Living Space And Bedroom To Store Your Trophies, Vinyl Albums, Perso.