Give you clear all the time! When you’re underwater, your can fog up the lens of cheaper face masks. But this mask is specially designed to be fog free, giving you hours of enjoyable swimming, diving, or snorkeling. This high-tech, dry snorkel keeps air out until you’re ready to breathe in! No more surprise of water in your mouth when you’re trying to breathe. Feature - Color: Black. - Material: PC+Silica Gel+Toughened Glass. - Size: 45 x 5cm. - Anti-fog Design: This Snorkel Set is made of tempered glass lenses covered with anti-fog film which offer you a perfect under water,ideal for diving, snorkeling, swimming. - Dry Snorkel Design: The dry snorkel designed with a resistant ,prevents the water entering in when you descend below the .Safety drain of the bottom of mask allow you expel the water out of the snorkel through quick exhale,providing environment for diver. - One Size Fits All: This snorkel mask for adults with fully adjustable elastic easily adjust the snorkeling mask to fit any face shape well including adult,youth,men and women.The silicone skirt around the snorkel mask can fit the face well,providing seal and reducing face water pressure, which offers recreational swimmers and snorkelers maximum comfort and performance. - Premium Quality: The snorkeling set are manufactured with good flexible solid durable materials. The food grade silicone allows prolonged using without any discomfort, no jaw fatigue and any peculiar smell.Another one can be used as a backup or to your family member or your to share the enjoyable snorkeling time.Snorkel set for adult youth perfectly. Package list: 1 x Diving Goggles 1 x Fully Dry Breathing Tube 1 x Pair of Earplugs 1 1 x Bag