POSHEI Sport Sunglasses Are Designed for Driving, Cycling and all Outdoor Activities. Lens Made of Shatterproof Unbreakable PC Material are Durable Enough for Long Time Using Only The Main Black Lens is Polarized Lenses Against Strong Sunlight, the Other 4 Lens are Colored Sunglasses for Different Environmental Condition. Come With an Elastic Sport Belt Which You can Interchange it As and When You Like it to be Strap or Bow. More Comfortable With Spare Rimmed Soft Rubber Pad.Nice, Trendy and Cool to Wear. Package including 1* Sport Glasses Frame 5* Lenses(The Black One is Polarized Len) 1* Hard Protection Box 1* Elastic Sport Belt 1* Lenses Pouch 1* Cleaning Cloth 1* Movement Head Harness How to remove lens 1)With two finger down carefully pull the two sides of the lens,frist down pull the lense from left side and then right sides. 2)Then push the nose bridge towards the top of sungasses until lens releases from top. 3)Then put lens down and out How to install lens 1) Put the lens in the middle of the frames beam position, with his thumb to push lens until stuck. 2) Will the left lens alignment with left of slot position and advances up, the right sight do as the same. 3) Until the lens in the mirror completely fixed as far. How to remove spectacles fram Took the lens off first, then lifting the lower edge of the plastic ring a but upwards. It will snap out How to remove ear stems Press inside and slightly twist with little pull.