• PVC
• Surfboard fin case-- the fin fixing slot is adopted of pvc material, sturdy and practical for a long using.
• Portable surfboard rudder groove-- detachable design of this surfboard fin is easy to install and use, and can meet your daily needs.
• Paddleboard fin-- a strong water box, which is perfectly balanced to most surfing lovers.
• Surfboard fin slots-- this surfboard fin box features a practical, users friendly design, with a detachable system which slides in and secures in a matter of seconds.
• Detachable paddle fin fixator-- the surfboard fin slot will your board's tracking, meaning less stroke changes.