Surfboard by the IXPE+EPS+ HDPE+Stringers composition.The structure of 2 layer 6oz on top and bottom; structure can be customized,and all kinds of colors and materials:Bamboo Veneer, Wood veneer, carbon fiber,customized various colour by spray painting,and you can send us your Logo and design, we can make for you. A board has a lot of accessories:leash plug, fin plug, and 1 set nylon fin included;