Midterm elections aren’t known for great turnouts. To help change that, many brands are offering freebies and deals for voters.

Only about four in 10 eligible Americans vote in midterm elections, according to Fortune. In the past, stores like 7-Eleven and White Castle have offered incentives to customers who show an “I Voted” sticker.

There have been questions in the past whether brands’ incentivizing voters is legal.

“It is illegal in elections when federal candidates are on the ballot to offer free stuff (including free food or drink) to people upon proof of voting,” said Rick Hasen, a law professor at UC Irvine told Nation’s Restaurant News.

However, many brands find a way around this by offering the perks to anyone who asks for them, not just to customers who show an “I Voted” sticker.

Here are some of the places offering deals this Election Day: