• PVC
• Fin plug holder slot--detachable design of this surfboard fin is easy to install and use, and can meet your daily needs,portable surfboard rudder groove
• Surfboard fin slot--made of pvc material, tough, wear-resistant, durable, suitable for various kinds of inflatable surfboard,surfboard fin case
• Plastic plug holder--the fin fixing plug slot is adopted of pvc material, sturdy and practical for a long using,universal surfboard fin base
• Plastic surfboard rudder groove--this plastic fin slot can promote tight arc turns while maintaining hold and driving ,surfboard fin slots
• Plug slot for fin--this paddle board fin slot can the stability of surfboard to keep safety of you when surfing,surfboard fin fixing base