Height adjustable and clamp-free design - This Becherhalter adjusts in height and installs without drilling or clamping, allowing it to adapt to a variety of environments and keep your drink secure without spill risk. Desk space optimization - Maximizes desk space with an adjustable cup holder that safely accommodates water bottles, beverages, or coffee, helping your work area stay tidy and organized. Versatile applications - Suitable for use on office desks, study rooms, home offices, or anywhere you want convenient drink access. It is also compatible with treadmill handles and the armrests of foldable chairs. Durable and low maintenance - Built for long use with a solid load capacity and a 360-degree rotating design. Made from ABS materials for durability and easy maintenance. Use scenarios - Office desk setup: keep coffee or water within easy reach while you work, reducing the need to reach across the desk. - Gym or treadmill area: place your drink securely on or near equipment to stay hydrated during workouts without spills. - Meetings or casual seating: attach to the armrest of a folding chair to have a drink accessible during long meetings, gaming sessions, or laptop use without taking up table space.