This is why Ledger Nano S is the best cryptocurrency wallet. If you are looking for the most safe & secure way to store your cryptocurrency, I highly recommend that you start using Ledger Nano Wallet.
You can order your Ledger Nano S directly from the manufacturer's website: https://www.ledger.com/products/ledger-nano-s?r=849e
Avoid buying from third parties since you can't be 100% sure if the product is genuine or not.