Select the suitcase you plan to take with you on your trip.
Gather your toiletries, including toothbrush, toothpaste, floss, shampoo, conditioner, soap and lotion. If you are traveling by plane, don't forget that there are restrictions for liquids and gels in hand baggage.
Pack underwear and socks for each day that you will be away, plus one extra pair of each.
Select clothes that are easy to care for and will not wrinkle easily. Choose clothes that can be combined into multiple outfits. Plan specific outfits prior to packing.
Take shoes and outdoor clothes that are comfortable and versatile. Consider the weather forecast when selecting these items.
Remember to pack pajamas.
Determine what kind of entertainment you will need on the journey. Consider an MP3 player, laptop, book or magazine. Don't forget the cords and batteries that are necessary to operate these items.
Think about the trip-specific items that you will need. For example, if you are sightseeing you will need a guidebook and camera; if it is a business trip, you will need extra business cards and professional attire.
Pack medications or other health-related items.
Add items to make your trip comfortable and pleasant, such as earplugs or pictures of loved ones.