My daughter used the goggles now over half a year and I can only say: PERFECT! children's small hands can very well adjust alone, the silicone is more and fits very well even with narrow faces to the skin so that Duch did not make water kann..nicht wear out, porosities we also have not, despite the use of the clorwasser schwimmhalle .. the sight radius is enormous through the glasses .. easily gewöllbten sure these glasses has a high price, but these glasses it is absolutely worth money