Everything You've Ever Wanted to Know About cereal container
https://tysonmxwt192.tumblr.com/post/187506634717/keep-your-cereal-fresh-all-the-time-using-cereal
Works like it should. I wasn't too confident in the seal but it seals really well. My cereal has been sitting for weeks in that thing and it's still tasting like it just came out the box.