Stable overall design Raised edge design helps contain spills and prevents items like pens from rolling off. Cup groove design allows easy placement of a cup. Metal fasteners secure the tray to a wheelchair for greater stability and utility. Versatile use Portable knee tray that creates a table anytime, anywhere. Ideal for eating, writing, working, using a laptop, reading, holding items, and carrying out everyday activities while using a wheelchair. Durable material Made of ABS for safety and durability. Wear resistant and long lasting. Easy to install and easy to clean. Provides strong support. Wheelchair compatibility and posture support Trays do not disturb the wheelchair wheels when in use and do not block wheelchair advancement. Designed to provide front body posture support, helping the user sit in a wheelchair with less effort. Use scenarios Mealtime at home or on the go: use the cup groove for drinks and the raised edge to contain spills. Work, study, or leisure: use for writing, reading, or using a laptop while seated. Everyday tasks: hold documents, devices, books, or small items without losing balance.