Specification: Name: Diving goggles Material: Tempered glass (lens) PC (lens ring) silicone (lens strap) Features: Comfortable fit strictly prevent water leakage high-definition and transparent Fashion Integrated frame snorkel mask with double lens offers a 180 degree superior view for underwater exploration. Wide and high-grade soft silicone 3d sealing face gasket which molds perfectly to fit any face shape. Diving in style. Scuba mask with shatter-resistant glass lenses to withstand deep water pressure. Scratching resist lens instead of polycarbonate enables you a clearer view under water and hardly to leave any scratches to your lens. Diving mask seals great with wide field of view. The silicone would be comfortably soft and seals on your face very well which is the most important thing for preventing leaks.The frame looks cool. The goggles strap attaches to the skirt instead of the frame as this allows for a variety of face shapes and the mask should seal very well with many of them. Wider nicely shaped skirt help to seal and prevent leaking. Perfect for both diving pros and beginners. Simply pull the snorkel mask straps to desired fit and the buckle will hold the straps securely in place. Adjust to fit any swimmer. Perfect for snorkeling diving swim training etc. A great gift for snorkeling lovers.