Foam Party Hats is owned by Mother/son duo Grace and Manuel. Pic credit: ABC It’s going to be an exciting moment for Foam Party Hats when they make their pitch on tonight’s episode of Shark Tank.

The foam Cheesehead hat has defined Wisconsin sports for decades, and it's been made in the US all along. Karisa Langlo has been writing and editing professionally for over 12 years, joining CNET ...

The triangle-shaped, foam hats have been a part of Wisconsin culture since the 1980s. First making an appearance at the Milwaukee Brewers game in 1987, the Cheesehead is a staple at Lambeau Field ...

The Cheesehead hat for adults currently sells for $24.99 on the Packers' website, with a child-sized hat priced at $19.99.

Four minutes later, the foam has expanded and is set, the mold is opened, and you pull out your very own Cheesehead hat. Scrunch it all up once or twice to get any leftover air bubbles out, then ...

49ers fans have their own foam hats SAN FRANCISCO (WITI) -- Football fans around the country may scoff at fans of the Green Bay Packers when they proudly stick a hunk of foam cheese on their heads.

Fans of the Montgomery (Alabama) Biscuits, a minor league baseball team, have a foam hat to call their own. An oversized chicken wing hat was designed for fans of the Buffalo Bills.

Soon he was turning out a foam hat with cheese-like dimples. The hats blossomed in popularity as the Packers approached the success they had during the Vince Lombardi years.

Over the past 25 years, Jeff Kahlow has crafted 24,000 hats out of foam to form everything from deer antlers to Green Bay Packers players to McMuffins with his business Big Guy Hats.

The triangle-shaped, foam hats have been a part of Wisconsin culture since the 1980s. First making an appearance at the Milwaukee Brewers game in 1987, the Cheesehead is a staple at Lambeau Field ...