Your Tile is dust and water resistant. The ratings below are from the International Protection Standards for waterproof ratings. The first digit refers to resistance to solids, and the second digit refers to resistance to liquids.
Tile Original: IP57
Tile Mate: IP57
Tile Slim: IP57
Tile Pro Series - Tile Sport & Tile Style: IP68
Basically, this means that your Tile Original, Tile Mate, and Tile Slim can withstand getting pretty wet or splash-proof, but it’s not currently set for underwater use.
Tile Pro Series can withstand water up to 1.5 meters deep for 30 minutes!