VEVOR Dust Barrier Poles, 12 Ft Dust Barrier System with 4 Telescoping Poles, 32.8x13.12 Ft Plastic Film, and Carry Bag, for Interior Decoration and Painting Projects

The magnetic-door version is cheaper because it is likely different.

According to the product description, setup is smoother than ever and no tools are required for easy installation. However, customers find it very hard to work with the poles to stabilize them.

Yes, the poles can be adjusted to different heights. The product description states that the poles feature four adjustable heights, with a maximum height of 12ft and a minimum height of 3.58 ft.

Yes, it comes with a storage bag for easy transport. The product description states that it comes with a black oxford cloth carry bag.

While the product description doesn't directly compare it to other options, it does state the 6 mil thick plastic sheeting is heavy duty and resists tearing. Customers agree with some saying it is durable, but others wish it were thicker.