Come and see our amazing products! Made of polyester. Perfect relaxing gift for travel or office rest. It's easy to use. Just hanging this footrest to the bracket of the tray table, then put your foot on it. Put your foot or calf on this footrest, stretch out your foot and swing it to relieve fatigue. Use it in office, or on long-distance travel. 7.8"W x 16.5"L x 31.5"H Pls confirm further with us if any query about packing info, inventory status and time schedule.