31 CFR §515.544

The importation into the United States of merchandise from Cuba or Cuban-origin merchandise from a third country intended as gifts is authorized, provided that the value of the merchandise is not more than $100; the merchandise is of a type and in quantities normally given as gifts between individuals; the merchandise is sent and not carried by a traveler (including as accompanied or unaccompanied baggage); and the merchandise is not alcohol or tobacco products.