joy dragon inflatable paddle board uses Drop Stitch construction fabric, which allows a much higher air pressure than other inflatable technologies. Thousands of tiny threads connect the top and bottom layers of the board. Can take air pressure up to 25 PSI. 1) Material: Korean made drop stitch fabric 2) Length: 11' (can be customized) 3) Width: 32" (can be customized) 4) Thickness: 6" (can be customized) 5) Color: yellow(can be customized) Standard Equipment: 1) 1 Removable main fin + 2 small side fins 2) 1 Set repair kit Features: 1) high density double-wall dropstitch with more rigidity, can be inflate up to 25 PSI (Air Pressure) 2) double layer rails construction, more stronger, stiffer, durable 3) Large EVA foot pad provides grip and comfort 4) luggage rack at bow allow for storage for gears 5) Reinforced by gluing with 1000D PVC tarpaulin 6) Tri removable fins, bigger center fin ensures stable enough to paddle fast and hold well in waves 7) Built in convenient carry handle, different options 8) easy to carry for children and ideal for lake side rental services 9) Terms of Warranty: One year free replacement due to the manufacturer's quality defect