The BLACK MARINE BOAT UNIVERSAL REMOVABLE LEANING POST CUSHION BACKREST 34" x 8" by Marine Seat Cushions . com is a high-quality boat accessory designed for ultimate comfort and support while out on the water. Made in the United States, this cushion backrest is universal and removable, making it easy to customize your boat to your liking. With a sleek black design and a generous size of 34 inches, this product ensures that you can relax and enjoy your time on the water in style.