Snorkeling Mask Double Tube Silicone Full Dry Diving Mask Adult Swimming Mask Diving Goggles Size: S/M(Black/Black)

Details:1. Material: ABS+PC+silicone2. Weight: about 680 grams3. Size: about 24x18x40x10 cm4. Application: diving5. Respiratory system: double-tube external circulation breathing6. Applicable age: adultsFeatures:1. Free double-tube external circulation to breathe without choking water2. 3D fits the face tightly waterproof3. With detachable camera holder easy to use4. Widened elastic woven mirror strap adjustable at will free and comfortable5. Double breathing tube oxygen flow faster breathing more smoothly6. Optical mirror 180 degree wide field of view7. Anti-fog dual channel