WASHINGTON, March 18, 2025 /PRNewswire/ -- Four major U.S. producers of polypropylene corrugated boxes – CoolSeal USA Inc., Inteplast Group Corporation, SeaCa Plastic Packaging, and Technology ...

DEAR HELOISE: I have come up with a great way to keep and be able to reference the many warranties and instructions that come with things you buy. First, I got one of those plastic file boxes and some ...