Main Features:1.180°Panoramic Face Mask：Breakage-proof safety window with 180°wide viewing allow you to see more fish and sea creatures than ever before,and it is the biggest of any snorkel mask on the market today.2.Breathe Normally:Full-face snorkeling mask for you to breath naturally through the nose and mouth.3.Anti-Fogging Design:Separate Inhaling and exhaling channels effectively prevent fogging.4.Dry Top Technology:The snorkel mask is equipped a floating ball which will seal the top of the snorkel when submerged, prevents salt water from getting into your mouth or nose.5.Drain Valve:Drain away water by raising your head up when water leaking.6.Flexible Fabric Headband:Easy to wear and prevents hair from twining.Wearing Instruction:1.To assemble the breathing tube head into the top of the Mask.Mask sure that it is fastened.2.Completely loosen both sides of the end headband.Lift the headband and rest your chin into the bottom of the mask.3.Pull the headband and wear on the back of your head.The mask will press against the face and should fit snugly.4.Tighten the bottom of the headband tightly and keep both sides same.Make sure the seal occurred properly.Size:With your mouth closed, measure the distance between the bridge of your nose and the bottom of your chin:-If it measures less than 4.7 inches (12cm), choose size S/M-If it measures more than 4.7inches (12cm), choose size L/XLNote:1.The full face snorkel mask was designed for surface snorkeling not free diving.2.Please ensure the mask is fitting tight on face (cheeks and jaw) before snorkeling.3.Please do not use sun cream which will cause leak and marine pollution.4.If water does leak through the seal around your face, just lift your head out of the water and it will drain through a one-way chin valve.
