At the end of a trip, there’s that moment where you start to wonder if you ever actually fit all of your clothes and designer shoes inside such a small bag. You’re rolling, folding, and stuffing, ...

You don’t know how to properly seal a resealable bag. It’s not your fault. Pretty much everyone screws it up. People tend to close the zipper clumsily, allowing air into the bag. In the $1.6 billion ...