All About Your Travelling

Can I bring this as carry on in Southwest Airline? http://www.overstock.com/Luggage-Bags/Travelers-Choice-Rome-21-inch-Hardside-Upright/2969408/product.html what color should i pick? Is hardside luggage better than other? Airlines are getting very strict about allowed size of bags carried on the planes, so whatever you get, be absolutely sure that it meets the requirements, which can be located in the TSA [...]