This old girl still works even after sitting on the shelf for two years. I wish all manufacturers would vacuum seal their filament as well.
The print quality is fantastic. There's some potential for stringing, and I'm talking about strings finer the spider webbing,but that's mostly resolved by better cooling. I have a DiiCooler with a fan that does nearly 25 CFM, and there's nearly zero stringing with the fan set at 30%. It's also great at acute angles without any support, and again a very good cooler is crucial. The potential for stringing, which is a hallmark of PLA anyhow, along with the slightly smaller 1.71mm diameter costs it a 5 star rating because not everyone has such good cooling or will measure their filament before printing.