Product Name: Swimming Snorkel, Dive Mask Easy-Breath Free Diving Snorkel for Snorkeling Scuba Diving Freediving Swimming,with Comfortable Food-Grade Silicone Mouthpiece SN82 Product model: SN82 Packing Quantity: 50PCS/CTN (PE Bag) Product weight: 210G Outer case size: 50X38X30CM Product Size: Average Size Product Material: Food-grade Liquid Silicone/Environmental Protection PVC Product Features: Semi-dry snorkel with drainage valve at the bottom and wave head at the top Food grade liquid silicone for mouthpiece Processing customization: OEM/ODM Main Uses: Used in water sports such as snorkeling, diving, etc. Application: Suitable for both men and women, over 10 years old