Inflatable sup board ble surfboard and export many surfboard to customer in usa, europe and au, our designer and production manager with more than 6 years experience of surf, the worker of glue department with more than 4 years experience. We use imported rigid drop stitch material (korea) and the first grade pvc tarp for outside cover(the up and down sides were stick 0.6mm pvc tarp, and with 0.9mm pvc for rail reinforcement), so the quality can be guaranteed. Pack:83*45*45cm master carton