Specification AgeRangeDescription : Adult Brand : Zerodis BulletPoint1 : of Application: Not only suitable for beginners' diving practice and leisure diving, but also as a backup air source for professional divers. . BulletPoint2 : 4L Capacity: The 4L portable diving has a large capacity and increases snorkeling time, allowing you to enjoy the underwater world. BulletPoint3 : Aviation Aluminum Material: The oxygen cylinder is made of aviation aluminum material, and the is sprayed with plastic technology. It has high pressure gas storage and is not easily corroded by seawater. BulletPoint4 : Wide Applications: 4L diving is widely used in field diving, tourism, seaside play, water play, swimming, etc. BulletPoint5 : Inflation Method: Inflate with high pressure pump, inflate with electric air pump, inflate with diving adapter. Color : Black Department : mens ExternallyAssignedProductIdentifier : 4048336401029 ExternallyAssignedProductIdentifier1 : 749819514741 ExternallyAssignedProductIdentifier2 : 0749819514741 FitType : stretch HandOrientation : Not Available ImportDesignation : Imported ItemDisplayDimensions_Height : 12 inches ItemDisplayDimensions_Length : 4 inches ItemDisplayDimensions_Width : 14 inches ItemDisplayWeight : 1 pounds ItemName : Zerodis Oxygen 4L Underwater Breathing Diving Equipment for Water (Black) ItemPackageDimensions_Height : 15 centimeters ItemPackageDimensions_Length : 46 centimeters ItemPackageDimensions_Width : 15 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : diving-packages LiningDescription : Plush and fleece Manufacturer : Zerodis Material : Neoprene Material1 : Neoprene Material2 : Nylon ModelName : Zerodis87arkmvn9g-11 ModelNumber : Zerodis87arkmvn9g-11 NumberOfBoxes : 1 NumberOfItems : 1 PackageLevel : unit PartNumber : Zerodis87arkmvn9g-11 Pattern : Solid ProductDescription : 1. Aviation Aluminum Material: The oxygen cylinder is made of aviation aluminum material, and the is sprayed with plastic technology. It has high pressure gas storage and is not easily corroded by seawater. 2. 4L Capacity: The 4L portable diving has a large capacity and increases snorkeling time, allowing you to enjoy the underwater world. 3. of Application: Not only suitable for beginners' diving practice and leisure diving, but also as a backup air source for professional divers. 4. Wide Applications: 4L diving is widely used in field diving, tourism, seaside play, water play, swimming, etc. 5. Inflation Method: Inflate with high pressure pump, inflate with electric air pump, inflate with diving adapter.