Very good quality materials. The seams are reinforced at the points where the straps stress the bag. It is good for clothes to be put inside without folding them because it is easier for the air to escape that way. With proper placement of clothes and uniform compression, you can easily reduce the volume by half or less depending on the clothes you put in. Very important for camping where every liter of space is valuable. In the 14-liter bag I bought, I fit 2 large towels, 1 tracksuit, 1 jacket, and 1 swimsuit, and after compression, the bag was 22 x 22 x 20 cm. The clothes, of course, come out very wrinkled, but we don't care because the squirrels who will see us at the campsite don't have a dress code!

The bag in the video is small:

https://youtu.be/bNhLcHWFvL0