WWT — The Most Misunderstood Container Term on the Internet You’ve found the perfect container listing. It’s not new, but it’s “WWT certified.”Great! Or… is it? Wind and watertight container? (WWT) is one of the most used — and misused — phrases in the shipping container world. It sounds technical, official, and reliable. But here’s … Continue reading What Makes a Wind and Watertight Container (WWT)?