• plastic
• The surfboard fin will be a good replacement for the surfboard, can keep its function.
• The surfboard fin is made of durable plastic material, tough, durable, wear-resistant.
• The fin is with the detachable design is easy to use and install, and can meet your various needs.
• This surfboard fin features a practical, users friendly design, with a detachable system which slides in and secures in a matter of seconds.
• This fin was designed to ensure optimal compatibility with most surf boards, paddle boards, kayaks, being for all sorts of brands and board sizes.