Ivanka Trump, Entrepreneur answered:
iPad 2, Laptop, ChapStick, Kate Somerville Nourish Daily Moisturizer, a cashmere travel blanket, and a stainless steel water bottle. Disposable socks have also become a must when flying commercial. It is never fun to take off your shoes at the security checkpoint so I always make sure to bring thick socks in my carry on when I travel.
