1、ALUMINUM ALLOY MATERIAL: The boat seat base is made of premium aluminum alloy material, strong and durable, high reliability and long service life. 2、PRACTICAL ACCESSORIES: Aluminum boat seat base increases the convenience and comfort of use, adding fun and reliable guard to your water life. 3、NON SLIP BASE: Aluminum boat seat base is designed with non slip base to ensure safety and stability. Easy to install, convenient and practical. 4、AESTHETICALLY PLEASING AND PRACTICAL: Aluminum boat seat base is designed to fit a variety of boat shapes, classic appearance, ideal for boat decoration, aesthetically pleasing and practical. 5、WIDELY APPLICABLE: Standard manufacture boat seat base plate, matching with most seat posts, brackets and so on. The support of the deck at the installation site can be strengthened when installing the rotating base. Item Type: Boat Seat Base Material: Aluminum Alloy Weight: Approx. 1036.00g / 36.54oz Size: Approx. 17.5x17.5cm / 6.9x6.9in 2 x Boat Seat Base