Mirror frame material: Silicone Mirror frame material: PC Washer Material: Silicone Lens: Tempered glass Upper and down: PC Treatment: PVC Tube buckle: POM Size: Glasses: 17 x 7cm, breathing tube length: 46cm (18.11in) Anti-fog: Our lenses are fogging, do not use cloth or paper towels to wipe the inside of the lens, will directly affect the anti-fog effect HD steel lens, encryption precision, increase clarity, more durable, scratch resistance resistance Non-slip slatle, professional anti-slip assembly design, more convenient adjustment, anti-slip anti-fall, use more assured Environmentally friendly silicone material, healthy environmental protection, safety? In line with human body design, strong fitness, sealed without leakage The anti-fog effect is good, with professional respiratory tube, diving more and want Color: Pink, Black, Black Red, Black Yellow(optional) Packing List: 1 x Diving Mask 1 x Snorkeling Tube