ITEM NAME:Surf Single Center Fin Longboard Surfboard Flex Fins - Black 9 Inch Description: Made of qualified plastic material, solid, reinforced, durable and strong Universal 9'' surfing center irregular shape fins suit most SUPs, long boards, stand up paddles, paddleboards and etc. Perfect balance of and hold performance Designed for kayak to divide water and decrease the water resistance Great for surfing beginner/ learner Specification: Material: Plastic Color:Black Fin Size: 9'' Package Includes: 1 Piece Surfboard Single Fin Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks! SKU: DMO0013517354042203.Great for surfing beginner/ learner. 1 Piece Surfboard Single Fin. Designed for kayak to divide water and decrease the water resistance. Fin Size: 9". Perfect balance of and hold performance.