USCG approval is all well and good--but it is not always relevant. When I bought my PFD there was no such thing as USCG approval for inflateable PFDs, at all, for anyone. There were (and are) other approvals overseas and I continue to wear one that has gotten excellent tests and reviews in water--but has never been submitted for US approval at all.
If you've ever seen video taken of a US president in trnasit on one of the "Marine One" helicopters? Even back in the 80's, they were wearing inflateable PFDs. That's right, even the President of the United States was issued a PFD that was NOT USCG APPROVED. Because the USCG sadly lagged behind the times, and wasn't accepting the good stuff at all.
Nice if it is approved, not necessarily meaningful if it isn't.
More of an issue that kids sometimes play rough--and wouldn't be aware of puncturing a PFD.