• PVC
• Plug slot for fin:more option than the plastic fin box in the market, without much loss in performance,base for fin
• Plastic plug holder:made of pvc material, tough, wear-resistant, durable, suitable for various kinds of inflatable surfboard,plastic paddle fin case
• Rudder groove for surfboard:full outline, increased surface area, and can be used for fixing the surfboard fin well,surfboard rudder groove
• Surfing board part:this surfboard fin box is a good tool for fixing your surfboard fin, practical and convenient,surfboard fin bases
• Paddle boards plug slot:the fin fixing plug slot is adopted of pvc material, sturdy and practical for a long using,surfboard part