Product Name: Children s Submersible Mirror Frame Material: SilicOne Mirror Frame Material: PC Washer Material: SilicOne Lens: Tempered Glass FEATURES: 1 HD Steel Lens Encryption Precision Increase Clarity More Durable Scratch Resistance Resistance 2 Non-Slip Slatle Professional Anti-Slip Assembly Design More Convenient Adjustment Anti-Slip Anti-Fall Use More Assured 3 Environmentally Friendly Silicone Material Healthy Environmental Protection Safety? 4 in line with human body design STRONG Fitness Sealed Without Leakage 5 the anti-fog effect is good diving is more likely what you want LEGILE 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