IMPORTANT NOTICE @ To get complete stability and the best wind resistance, you will need to do ALL of the following things: * To prevent your screen tent from blowing away and collapsing, make sure to properly use ALL included guy lines. The correct way is both as following. (1) Guy lines are attached to the top AND bottom of every outside corner. {2) Guy lines are meant to be spread out away from the gazebo, not close to the base. + Use the sandbags.