Ballet wallet is not a hardware wallet, it falls under the paper wallet category, although it is made of stainless steel. The wallet private key is said to be printed from China, while its passphrase is said to be printed from Las Vegas. While holding bitcoin, you do not have to trust anyone, there are many available options you can go for rather than to trust a company or someone to generate for you want can be used used to steal all your coins on the wallet. The best would be to just generate your keys (and passphrase) your self.