Gloffie PC Lens Silicone Scuba Clear Vision Comfortable Fit Adult Diving Mask. High-Quality Materials: Features tempered glass lens, liquid silicone skirt and strap, and PC+TPR frame. Wide Viewing Angle: Unique design allows divers to experience the greatest viewing angle in every direction. Customizable Options: Supports customized logo printing, design patterns, and multiple color combinations. Comfortable Fit: Anatomic liquid silicone skirt guarantees fit, comfort, and seal for various facial profiles. Durable Construction: Lens exceeds impact test requirements of American National Standard Z86.11-1985. Easy Adjustment: Innovative buckle design makes adjusting the split strap fast and convenient. Hypoallergenic Material: Supple hypoallergenic liquid silicone skirt ensures safety and comfort for users. Versatile Usage: Suitable for diving, surfing, and triathlon activities.