The double hull tender sized from 360cm to 1150cm, we call Sport boat. For military rib boat for sale,rhib boats and inflatable rigid boats for sale SP600, its boat hull thickness is 4mm with 120L built in fuel tank. This model has complete accessorries of middle console, middle seat, anchor holder, rear seat, roll bar with navigation lights, EVA pad, bilge pump and etc. For for aluminum hull. we could make them with available colors of black, white, gray, orange and red. For boat tube. we suggest Taiwan hypalon or ORCA hypalon fabric for long lifetime.