Final answer:
The main cabin amenity kit varies by airline and flight duration, typically including basic items for longer flights, but may be minimal or not offered on shorter flights or by budget airlines.
Step-by-step explanation:
The amenity kit provided in the main cabin, also known as economy class, varies by airline and the duration of the flight. On longer international flights, some airlines may provide a basic amenity kit that could include items such as a sleep mask, earplugs, toothbrush, and toothpaste. However, on shorter flights or budget airlines, amenity kits in the main cabin may be very minimal or not provided at all. Airlines focus more on providing amenity kits to business and first-class passengers. If a main cabin amenity kit is important to you, it is best to check with the airline before your flight to understand what, if any, amenities are provided.