The main storage section of this cart is made of a 400D nylon tarp material that is double sewn to create a long lasting storage space. The bag holds up to 400lbs of stored equipment and the cart can be assembled in minutes with the top and bottom frames fully glued to ensure stability after final assembly. The no-mar wheels are ideal for indoor use and can be used outside too. 42″L x 28″W x 38″H