My Stinger II arrived with damage to the top of the left wing from crush damage to the top of the box from UPS (United Plane Smashers). There is not much protection between the wings and the top of the box. Rather than going through the hoops and hurdles with a UPS claim, I cut the white covering, repaired the ribs, and patched it with monokote. The fuselage covering was perfect. Not a wrinkle.