Specifications: With your feet on the platform and your hands on the hand simply hop up and down to propel yourself forward. The hydrofoils lift the water bird above the water, allowing you to move much fast than any other human -power watercraft. Made with aircraft aluminum and fiberglass. Specifications: 1) wingspan:8\'\'(244cm) 2) length:6\'\' (183cm) 3) material: Aircraft aluminum and fiberglass Outer packing: Carton dimensions:126.5 x 70 x 19.5cm N. W.:16kg G. W.:12kg Conveyance: Qty/20\'\' FCL:156pcs Qty/40\'\' FCL:324pcs Qty/40\'\' hq:351pcs