I have done many and the thumb drives have never failed. If it fails, they keep a backup copy for a period of time so you could just request another thumb drive copy or get a digital download.

Hello, Joe! I can understand where you are coming from and your concern. To put your mind at ease that we do have our thumb drives especially made for our company. They are made with quality in mind to respect the value of what they hold. You can always back up your files on your computer or cloud storage for peace of mind. But our thumb drives are durable and made to last! If you have any further questions please don't hesitate to reach out to our customer service team at Questions@legacybox.com