The Dolfino Pro Gemini Snorkel Set features a silicone mask with a feathered edge for a water-tight seal. Experience a clear view underwater with a dual lens design with durable, tempered glass. Breathe easily underwater with our professional grade snorkel outfitted with a professional-grade dry top and a vented purge valve to keep water out. Both the mask and snorkel are latex-free for ultra-comfortable snorkeling without skin irritation. Recommended for ages 14 and up.