Material: Pure glass | Dimensions: Side Fins - Height: 4.53; Base: 5.83; Area: 20.78; Foil: Flat | 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.