Double hammock is a certain product that is designed to accommodate two occupants at the same time. In order to compensate with this feature, a hammock needs a strong material. Grand Trunk manufactured double hammock with parachute nylon material. This fabric has different benefits that will provide comfort for its occupants. Parachute material is strong and durable. Meanwhile, nylon material will flexible and able to accommodate to more weight without make the fabric rip apart. Combining both of those materials will create impressive fabric for double hammock. You do not have to be worried about the quality of this product, since the material used ensures your comfort and safety.