washington
If you just sell them as colored bracelets, you shouldn't have any problem. However, if you make any reference to the NFL or an associated team anywhere on or with the product, then it comes under NFL or specific team licensing regulations. In short, you cannot market anything (inspired or not) with any reference to the NFL or an NFL team without their express consent
Dallas
Dallas Coyboys.
The Washington Redskins
Packers
"Yes the NFL does sell all 32 team's jerseys, including the Vikings. The stores or on line shops will say Official NFL distributors."
Dallas cowboys
The NFL team of the Cleveland Browns were known as the cardiac kids because of how many games they won in the last minutes.
I believe it was the Cowboys, behind the 49ers
Washington Redskins... "The Hogs"
A sell out for a NFL game is when a team sales eighty-five percent of their general sitting. Club seating and luxury suites are not included in this percentage.