Current, valid passport
Expired passports that show past travel, if applicable
Intended travel itinerary for your U.S. trip
Proof of funds to cover the entire cost of travel
(bank statements, proof of assets, etc)
Proof of strong ties to your home country
(employment proof, school enrollment, etc)
National ID number issued by your home country, if applicable
Recent digital photograph that meets U.S. government guidelines
Printed version of your recent photograph
Printed copy of your visa interview appointment letter
Printed copy of your DS-160 confirmation page
Optional: letter of invitation from the host of your trip in the U.S.