Panoramic View Snorkel Dive Mask: Adopted impact-resistant tempered glass with high-definition vision and a large field of view, the snorkel goggle provides you with a clear underwater world and is good to withstand deep water pressure. Treated with anti-fog technology on the diving goggles, you don't worry about the fogging problem.Advanced Dry Top Snorkel: Adopting a float valve at the top of the breathing tube can completely seal it to keep water out when underwater and would open to let you breathe easily when above water. The one-way purge valve helps to clear out the water leaking into the snorkel quickly, so you can enjoy easy and unobstructed breathing while diving underwater.Food-grade Soft Silicone Material: Scuba mask is made of soft silicone material, comfortable and flexible. The food-grade silicone mouthpiece can be comfortable in the mouth, which allows prolonged use without any discomfort. The nose pocket is a beginner-friendly design to avoid getting water into the nose by mistaken breathing with the nose.Comfortable Silicone Skirt and Adjustable Head Mask Strap: Made of soft food-grade liquid silicone, the skirt of the swim mask will not cause pressure on the face, fitting the face perfectly to prevent water leakage. The side adjustment mask strap buckle is convenient, gently press to adjust the length of the mask strap for different head shapes.Lightweight, Portable Adult Snorkeling Set for Snorkeling, Swimming, Diving: Mask and snorkel sets adult are together for snorkeling and diving, separately mask can be used for swimming. Our snorkel gears have undergone strict quality inspections. If your snorkeling set have any quality problems, please inform us first. We will handle it well at first time.