The Vivo Desk-Shelf15B Clamp-On 15 Inch Desk Extension Shelf For Gaming Devices, Compact Desk Extender - This 15? x 9.8? shelf conveniently clamps to the edge of your desk (up to 2? in thickness) with simple hand tightening and holds up to 44 lbs. The clamp can be installed to face away from the shelf, turning this low profile platform into a convenient desk extension, creating room for gaming devices, small desk accessories, decor, and more! Clamp-on Monitor Riser - The clamp design also accommodates forward shelf positioning, allowing the platform to be used as a laptop or monitor riser for comfortable viewing angles and dual-level organization. Freestanding Option - If you don?t want to clamp anything to your desktop, or you don?t have a compatible desk for the clamp thickness (up to 2?), this versatile product also comes with freestanding feet that can be easily placed anywhere on your table surface. Moves With Your Desktop - Experience the same access to this storage platform whether you're sitting or standing. Perfect for height-adjustable, sit-to-stand desks, creating additional storage space to clear the clutter. We've Got You Covered - This desk shelf is backed with a 3-Year Manufacturer Warranty and friendly tech support to help with any questions or concerns.