I’m actually really pleased with this set. At first, I was a bit surprised at how low the back is, but it’s growing on me and has the big advantage that it doesn’t interfere with the view!
They are very easy to put together. They seemed a bit “flimsy”, but they are surprisingly sturdy after assembly (do yourself the favor to check if some pieces go better together before you start screwing though! Once in, it’s near impossible to get them out again! And pay attention to the length of the screws on the instructions!) 
They have a comfortable wide seat and good sitting height especially for shorter people (doesn’t cut off blood circulation on your thighs) but the lower back means that a lumbar pillow (not included) is needed to make it fully comfortable.
Looking for a compact set that won’t overwhelm your space or interfere too much with the view of the garden, I’d definitely recommend this.