Safco, SAF3053, Telescoping Document Storage Tube, 1 Each, Black

Although I agree with the cons pointed out by dsftgjns, these tubes are a very handy and sturdy portable storage solution. I use them to store expensive vinyl window signs, but they could just as easily be used to store such things as artwork, posters, or documents. While the locking mechanism is backwards and annoying, that doesn't warrant a one star rating. If you can get past the annoyance, this is a reliable and inexpensive solution for protecting valuable resources. I own 4 and am purchasing at least 2 more!

When you slide the lid closed it goes in the same direction to unlock the tube's length, therefore everytime you open the top lid to add documents the tube unlocks and begins to extend. This is a design flaw. The locking method should turn/twist in the same direction as when you are closing the lid to avoid this problem. As a result, everytime I open the end cap the tube extends.