A tray table for use with a passenger seat of a transportation vehicle is provided. The tray table may be moveable between a deployed position and a stowed position relative to a seat. The tray table may include a storage compartment for storing belongings of a passenger. A lid may be provided for covering an opening of the storage compartment. A portion of the lid may be transparent such that contents of the storage compartment may be readily viewed by a passenger when the tray table is in the deployed position. A portion of a storage compartment bottom may be transparent such that contents of the storage compartment may be readily viewed by a passenger when the tray table is in the stowed position. The tray table may have any number of storage compartments and a single lid or multiple lids may be used to cover the storage compartment openings.