Add to Cart Compare Quick view Sundolphin Kayak Seat Back Kit. Sit In Models Sundolphin MSRP: $47.99 Now: $39.99 Was: Sundolphin Kayak Replacement Seat Back for Kayaks. Installation Hardware included. 19.5" X 12" Aprox Dim. Fits the Following Kayaks: Aruba 8 SS Aruba 10 Aruba 10 SS Aruba 12 SS Bali 8 SS, 10 SS, 12 SS, 135... MSRP: $47.99 Now: $39.99 Was: Add to Cart Compare Quick view