Libris comes in a durable highly water-resistant shell that's splash- and rain-resistant. It can sustain immersion in one meter (39 inches) of water for up to 30 minutes. However, it's not suitable for extended and continuous water submersion. For showering or bathing, we recommend you wear Libris on your lanyard or set it on the edge of the shower or bath area, so that it is within reach, but not in the direct path of water. Libris is rated IP67.