Quick Answer: The classic Moonlight carry-on is officially listed at 22 × 15 × 9.5 inches and about 7.8 pounds before expansion. It matches a common 22-inch height but exceeds the familiar 14-inch width and 9-inch depth, so acceptance depends on the operating airline, packed shape, and enforcement. Keep the 1.5-inch expansion closed.The carry-on label describes intended use, not universal approval. Wheels, handles, shell...