One is used and the other new but neither have the screws. The new one is the medium size for 15 pounds max and the other is larger.

Add a touch of modernity to your home with this set of two Umbra wall shelves. These invisible floating shelves are perfect for displaying your favorite books and decorative accessories. The solid silver metal material makes them sturdy and durable, and the wall-mounted design saves valuable floor space. Measuring less than 10 inches in length, width, and height, these shelves are suitable for small spaces.

These modern wall shelves are perfect for organizing your books and keeping them within reach. The set includes two shelves with a total of two shelves, making it easy to display your favorite books and knick-knacks. The shelf features a stylish modern design that complements any home decor.