VIVO Adjustable Computer Keyboard & Mouse Platform Tray Ergonomic Under Table Desk Mount Drawer (MOUNT-KB01) ERGONOMIC keyboard and mouse tray that attaches to the underside of your desk. The keyboard slides forwards and back on an 18 track (Be sure to measure the under side of your desk to make sure the 18" track will fit!) ENHANCES typing posture and reduces wrist soreness with removable plush padding, full side to side rotations, and 5" height adjustment DELUXE UNIVERSAL 25" x 10" tray weighing 13.75 lbs fits most keyboards and mice allowing user their choice of both SIMPLE ASSEMBLY process with all hardware necessary for mounting your tray provided 3 YEAR MANUFACTURER WARRANTY - This keyboard tray is backed with a limited 3-year Manufacturer warranty as well as friendly tech support to help with any questions or concerns