• Rubber
• Surfboard fin--hit the at your favorite point break, boost some air, or lay into some wedges at the nearest ,professional surfboard fin
• Water sports paddle fin--it can increase the stability of the surfboard to keep you safe when surfing,fin
• Detachable paddle fin--the surfboard fin is made of material, tough, durable, wear-resistant,replacement paddle board fin
• Application: the surfboard fin is suitable for various kinds of inflatable surfboards, like longboard, surfboard, stand-up paddle board,rubber surfboard tail fin,paddle board supply
• Paddle board fin--this longboard fin features a practical, user-friendly design, convenient for you to use,removable longboard fin