This has become quite a common piece of travel equipment lately. Being colorful and affordable, I can understand why. Personally I like them for the following reasons:
- Reliable: has one big compartment, massive zippers, and a small mesh compartment with a small hook (perfect for keys).
- Easy opening and access.
- Can be carried as a backpack.
- More or less waterproof.
I’ve had a medium sized one for years, and got a second and huge duffle bag last year. Only bad thing with this bag is that the pull cords are weak and painful to use. As both of the cords broke on my first bag, I replaced them with new and better ones, made of thin climbing rope only. Have a look: