Cozumel Portable Snorkeling Set: Our snorkeling gears include diving mask, dry top snorkel and user instruction. Easy to carry and new explorer-friendly. Cozumel snorkeling set is the ultimate beach companion, allowing you to explore the underwater world and the mysterious wonders of the ocean Panoramic View Dive Mask: With a two-window design for 180° panoramic view. Our snorkel masks are made of shatter-resistant PC lens, which is anti-fog and can withstand the water pressure while diving. TPR skirt can better fit your face curve and prevent water penetration Easy-Adjust Cozumel Mask: This snorkel mask has a three-way adjustable pro-glide buckle that allows you to easily fit the mask to your face for maximum comfort. You'll have a guaranteed watertight fit with help from the soft and comfortable TPR skirt so that no water leaks through the sides of the mask Dry Top Snorkel for Free Breathing: The dry top valve seals the breathing tube to prevent water from entering during diving, ensuring optimal performance for your snorkle, mask set. The soft silicone mouthpiece and curved design are ergonomic and can reduce mouth and jaw fatigue while using this diving mask. You can breathe smoothly and snorkel for a long time underwater Travel Friendly: Our snorkeling gear for adults includes two essential items diving mask and snorkel, which is a correct choice for travel use. U.S. Divers has products for all your water adventures like snorkeling, diving, swimming. Go out and start your water exploration journey