- nylon
- Surfboard shark-fin:made from nylon material for durable long time use,surfboard tail rudder
- Inflatable boat tail rudder:used for all kinds of inflatable surfboards,surfboard tail rudder
- Boat tail rudder:it is glued to both sides of the plate surface to assist the use of the central water splice,surfboard tail rudder
- Surfboard tail rudder:the water splitter of the seat board is glued to the back end of the reverse side of the board,boat shark-fin
- Boat shark-fin:increase the stability and direction of the surf bar,surfboard tail rudder