This undated image from Magellanís, the travel supply company, shows an inflatable footrest popular among air travelers. The company also sells a style of footrest made from lightweight hard plastic that folds flat. (AP Photo/Magellanís)

This undated image provided by eBags.com shows a set of the companyís packing cubes on a bed in a hotel room. Peter Cobb, the companyís co-founder, says the packing cubes _ which help travelers organize their belongings and save space when packing for trips _ are the websiteís #1 bestselling product out of 50,000. (AP Photo/eBags.com)

This undated image provided by XpresSpa shows the customers receiving massages and other treatments at the companyís spa at John F. Kennedy International Airport in New York. XpresSpa offers manicures, pedicures, massages, haircuts and other treatments at 46 airport locations and sells gift cards for their services that can be given as holiday gifts for travelers. (AP Photo/XpresSpa, Lance Davies)