Black Diving Mask Scuba Diving Goggles, Waterproof Quick Adjustable Snorkeling Mask Stainless Steel Glasses for Men and Women Size: 18*13*6cm Lens material: 4mm thick tempered glass mask Material: PVC Headband: TPR material Steel Ring: Stainless Steel Frame Tempered Glass Lens SAFE: Not a fragile plastic lens, this is a high quality tempered glass that resists scratches and shatters EASY ADJUSTABLE BUCKLE: Just pull to secure the strap in the desired position, the buckle keeps the strap securely in place, customized for comfort, sturdy and durable for scuba Diving: Thanks to its sturdy construction, your mask can withstand all kinds of wear and tear - from pool snorkeling to deep sea scuba diving < br> Integral Lens: A snorkeling mask should help you see better, not block some of your vision. Now you can clearly enjoy all underwater scenery Note: Manual measurement, there may be an error of 1-2cm/1-3g, which is not a quality problem Due to different screen displays, there may be a color difference between the real object and the picture. Delivery Quantity: 1