PVC Side Fins Surfboard 21 X 7 X 7 Surfboard Accessories PVC Surfing Side Small Water Fin for Paddleboard Stability

["fins side bites foam board, great for beginner and kids : time surfingbe dangerous, usually the fin is the sharpest part of you board, with this fin youfeel safer the fin will bend and more and is harder to hurt yourself and others., wakeboard fin","practical function: improve the surfboard stability and safety while surfing, your sport activity.","easy to use use glue to stick the fin on back end of the surfboard. usually sticked on the sides of the board surface, assisting the use of the central large water fin.","usage: suitable for various kinds of inflatable surfboards.size: approx. 21 6.5 6.3cm 8.27 2.56 2.48inch.","made of soft pvc material with toughness, fins side bites foam board","","","","",""]