The Bodily keypad is wrapped inside a polymer-coated rubber Therefore the text printed to the keys won't rub off. The enclosure alone is aluminum reinforced with hardened epoxy to protect against physical tampering. The JUANWE 32GB five Pack USB Flash Drive is a flexible storage system with a critical-shaped design https://supertop-shop.com/waterproof-usb-flash-drive-with-key-ring/