Review on 🚚 Efficient Shipping with Aviditi MTM324 Corrugated Triangle Mailing Product by Aaron Schultz

UPDATE: I no longer use them because I had some tubes that got crushed during shipping. The buyers found the posters damaged inside. These tubes work very well most of the time, but they seemed to get crushed 1 in 10 times (or more) during normal shipping. These things are great. They are easy to fold and use and fairly durable. Good buy, already ordered three times. The only downside is that they are not as powerful as regular whistles. I've had several customers complain about being knocked down upon arrival. It's a shame the Post treats them so rudely.