Perfect gift to for scuba divers, free divers, anyone who lives to dive, snorkel or anyone with the power to breath underwater. If your daddy has passion for his hobby under water with one tank, two tanks, shallow or deep diving get him this funny gift.. This diver design with a dive mask and tanks is a great father's day gift idea for ocean lovers, scuba divers, free diver dads who love to dive and explore. They can wear it on the ocean, boat, underwater, while diving, snorkeling, vacation, and on land.