Ultimate Snorkeling Experience New & Never opened Can attach GoPro Hero cameras 180 degree panoramic view Lightweight Fog-resistant Carnival Cruise Brand It starts with a 180 degree panoramic view, tough enough to never shatter, and ingeniously fog-resistant. Most importantly, you can dive confidently knowing that, unlike most snorkels, water simply can’t sneak in because the pipe automatically seals when you’re underwater, and opens when you head up for a breath. You’ll never wonder where your earplugs are, either… because yours are built-right in.