Elastic headband for user comfort flip-up front features allows you to easily chip or grind with clean. Adjustable head strap to fit all sizes Green soft pvc frame - cozy to wear, black abs lens holder, rigid 50 mm dual-cup goggles and features a compact design Lightweight and durable, flip up designed, soft plastic frame conforms to face, main material: plastic, soft pvc, elastic fabric, lens diameter: approximately 4.7cm or 1.8 inch, strap length (Stretchy): approximately 33.5cm or 13.1 inch and frame color: black, green Soft vinyl around each 50mm eye piece allows goggles to fit comfortably over regular eye glasse. Provide maximum eye protection within a soft vinyl frame Inner lenses are clear, outer lenses adopt colored inorganic glass. Sleek compact frame is more attractive that traditional goggles, soft elastic heat strap can be easily adjusted to fit a wide variety of head sizes, ensuring a safe snug fit Read Less