set2: 1 x surfboard fin + 1 x kayak Wind SailCompact design, durable in using, easy to set up and deploy quickly.pls note :The edges of the product will retain a seam,easy maintenance,does not affect normal usePowerful sail: Seams are triple-stitched and the perimeter batten is made of a virtually unbreakable composite materialProduct Dimensions: 42.5 x 42.5 inches (108 x 108 cm), Coiled/folded diameter: 15.7 inches (40 cm)Made from rip-stop nylon sailcloth with high qualityFitment: Kayaks, Canoes, Inflatables, Tandems and Expedition boatsAssist the balance stability and water-breaking of surfboards and canoes.The new design easily fits into the card slot, inserts the buckle, and is easy to handle.Name: surfboard finColor: orange & BlackMaterial: Quality Nylon/Polyester TaffetaLength: 22cm (8.66in)Width: 18.5cm (7.28in)Package Contents:1 x surfboard fin1 x kayak Wind SailOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.