Waterproof to a depth of four feet, these Kingston DataTraveler drives are safe from accidental toilet-droppage as well as Travis’s midnight pee attacks.
https://gizmodo.com/usb-drive-urine-test-209137
Available in 512MB to 4GB sizes (8GB to come), the drives have 256-bit AES encryption and locks itself down after 10 intrusion attempts. Although a bit more expensive than standard drives, your money goes towards protecting your data from hackers, urine, and urinating hackers.
Product Page [Kingston via Gearlog]