Material: Fiberglass | Size: 10.5" |10" | 9.5"| 7"| 6"| 4.5" | Warranty: All RYD fins are guaranteed for one year against factory and material defects and workmanship | Care: Rinse fin with freshwater after your surf to flush away sand which may damage the fins or fin box. Always remove your fins and place them in a fin wallet when travelling.