RockSolid Stability Crafted from durable ABS and metal, this cup holder is built to last. Antislip pads on the clamp provide a strong grip on your desktop, ensuring it stays firmly in place without sliding or wobbling. The integrated drainage tray helps prevent standing water, keeping your workspace clean and dry. Easy Height Adjustment for Any Table The threelevel height adjustment fits desktops ranging from 0.2 inches to 2.48 inches thick. Installation is quick and tool with the twistlock clamp—no drilling or adhesives required. Works on wood, glass, and metal surfaces, making it suitable for a wide variety of setups. Universal Fit for Multiple Containers With a generous 3.62inch (9.2 cm) inner diameter, this holder accommodates most drink types including water bottles, mugs, tumblers, and soda cans. It is ideal for everyday use, no matter your choice of beverage. Versatile Placement Attach it to dorm bunk beds for convenient nighttime hydration, clamp it to your office desk to keep drinks within reach during work, or fix it to a treadmill tray for hassle access while exercising. Additional compatible locations include chair arms, table edges, bike frames, gaming desks, and easels. 360Degree Swivel Convenience The holder rotates a full 360 degrees, allowing you to position your drink exactly where you want it—left or right—without having to move your setup. for adjusting between tasks, whether you are working, gaming, or relaxing with a movie.