Features: 1)There are 3 replaceable nose bridge frames, which can be widely applied to different face shape: Small Bridge Frame is suitable for Kids face shape, Medium Bridge is suitable for female shape, Large Bridge is suitable for Most of adult face shape. 2)It adopts environment-friendly antifogging coating, which can be anti-fog under water. Instructions: To clear water or to adjust goggles, take a firm grip on eyes cup and tilt lower edge of eyes cup away from face. Pa the headstrap through the side buckle for adjusting the length. Pull the strap with both hands. Then put on goggles firmly from the back of your head by holding the frame. In very case, lengthy use of the goggles may cause uncomfortable. If this happen, you should stop using the goggles. After using, wash it gently with fresh water. Do not wipe or rub, store carefully to avoid scratching. Attention: Only for swimmingTake the best care of your eyes when you wear the goggles Children use it with the help of their parentsAfter using, avoid it exposure for a long time in the sun Avoid to wipe inside the lens Stop using it if you feel any uncomfortable Packing List: 1pc* Swimming Goggles 1pc*Solid Anti-fog Spray 3pcs* Replaceable nose bridge frames 1pc* Swimming Glaes Box 5170