OER Parts offers a wide selection of Package Tray / Rear Seat Shelf your 1969 Buick GS 400. OER Parts offers 1969 Buick GS 400 OEM Style Rear Seat Shelves, 1969 Buick GS 400 Rear Seat Shelf, 1969 Buick GS 400 Deluxe Rear Seat Shelf, 1969 Buick GS 400 Deluxe Mesh Rear Seat Shelf, 1969 Buick GS 400 Vinyl Covered Seat Shelves, 1969 Buick GS 400 Seat Shelves with speaker cutouts, 1969 Buick GS 400 Seat Shelves without speaker cutouts, and 1969 Buick GS 400 Seat Shelves with with or without center speaker.