This stylish, top-down photorealistic image showcases essential items for a long-haul flight carry-on. The items are neatly arranged on a clean, light-colored background and include a reusable water bottle for hydration, noise-canceling headphones for peace, a portable power bank for electronics, a cozy rolled-up sweater for warmth, and an eye mask for sleep. The minimalist and organized composition illustrates the theme of smart preparation and travel wellness.