Garmin Virb Dive Case (Discontinued by Manufacturer) VIRB is rugged and waterproof (IPX7) right out of the box, but for deeper dives, protect it with this submersible case. It increases the waterproof rating to 50 m VIRB is rugged and waterproof (IPX7) right out of the box, but for deeper dives, protect it with this submersible case. It increases the waterproof rating to 50 m VIRB is rugged and waterproof (IPX7) right out of the box, but for deeper dives, protect it with this submersible case. It increases the waterproof rating to 50 m