I was skeptical at first because of the low price, if I get here, what I had imagined. When I after a very short delivery time, the swimming goggles had in hand, I was impressed by the quality and impeccable function. The sea state was well suited - as if I would wear my normal glasses, but at least I have -4 diopters in each eye. When transporting Sorry, there was the storage to break, but it was without hesitation to my email sent sand a new box. Only to be recommended.