What you get: package includes 4 packs metal book stands, adjustable frame will provide a good view, sturdy metal material has a long service life, suitable for many places to use Convenient to use: this adjustable book rest is simple to use, variable slope adjustment by raising the bar in the black sturdy support sleeve, it can be folded up flat for easy storage, wont tale up too much space Utility helper: book stand is portable multi-function reading stand, it can hold large hardcover textbooks, help you to maintain proper posture when reading over long periods of time Measurement: each book holder is approx. 13.4 x 19.1 cm/ 5.28 x 7.52 inches, metal frame swivels to create a wider or narrower base, allowing it to accommodate larger or small books, easy to use Wide applications: adjustable book rest is great for students, musicians, cooks in the kitchen, displaying books, photos, plates, diplomas and craft projects, etc. Features: Variable slope adjustment Creates more work space Promotes correct reading posture Folds up flat for easy storage Compact and sturdy: This metal book holder is lightweight but sturdy, meaning its capable of holding large hardcover textbooks. Utility book stand: You will receive 4 packs book stands, great for students, musicians, cooks in the kitchen, displaying books, photos, plates, diplomas and craft projects. Specifications: Color: black Quantity: 4 packs Size: 13.4 x 19.1 cm/ 5.28 x 7.52 inches Package includes: 4 x Book stands