Description: Multifunctional Storage Shelf: The tray holder offers ample space for small items such as phones, books, glasses, pens, keys, tuners, and other guitar accessories; with a drink holder design to keep your beverage secure and within reach. High Quality: The microphone stand utility tray is constructed from high-quality PP material to ensure stability during use, being lightweight, sturdy, and durable. Adjustable: This music stand can be mounted on a microphone stand or music stand, with an adjustable clamp that fits most standard-sized sheet music stands and microphone stands. Easy to Install: The buckle design provides stability and simplifies installation. Adjust the clamp-tray to your preferred height and securely lock the mount in place. Perfect Accessory: The tray surface measures 30cm x 20cm (11.81 x 7.87 inches), sufficiently large to accommodate necessary accessories. The cup holder keeps your favorite drink close during practice and performances. Specification: Material: PP Size: 30cm x 20cm (11.81 x 7.87 inches) Package Includes: 1 Piece Clamp-tray Note: Please allow slight variations due to manual measurements and different monitors.