Strong Adsorption Capacity Magnetic Shelves- Our magnetic book shelves each feature a large magnetic rubber strip with strong magnetic attraction, ensuring safe holding and preventing accidental dropping. It can hold up to 10 lbs. The shelf kit comes with two lightweight pen holders to store small tools. Premium Material Holder- The magnetic shelf is made of high-quality metal, the surface with matte spray painted, durable, anti-oxidation and rust, easy to clean. There is a fence on the front side to prevent items from slipping off. The pen holder is made of thick plastic, lightweight and has rounded edges Suitable Size Magnetic Shelf for Whiteboard- Each package contains 2 magnetic bookshelves. Dimensions: 16.93 "D x 2.36" W x 2.36 "H. And 2 magnetic pencil holders. Dimensions: 4.72 "H x 2.24" W x 1.06 "D. Shelves can better accommodate a variety of books, including larger picture books for children, etc. The bookshelf is not suitable for children aged 13 and under due to its heavy weight. Convenient Magnetic Trays for Classroom- The magnetic design of this magnetic bookshelf eliminates the need to drill holes in walls or tables. Simply unwrap and start using the shelf on the White board immediately. It's very convenient. The pen holder is lightweight and slightly magnetic, suitable for carrying chalk and markers. Wide Use- This magnetic classroom shelf is not only suitable for books, but also for art, paintings, toys and photos; Magnetic bookshelves can be used on any smooth metal surface and can be installed in kitchens, bedrooms, laundry rooms, offices, bookstores, as magnetic organiser for refrigerator, magnetic trays, laundry organisers, document display shelves. These magnetic shelves are the perfect housewarming, school gift.