Polarized Sunglasses, TTOBS Unisex Clubmaster Classic Sunglasses 100% PROTECT EYES : Polarized lens 100% block UVA / UVB / Blue ray than non-polarized, it's the first choice for outdoor activity. DESIGNER INSPIRED FRAME : Unique clubmaster style shows more upscale and fashion. STURDY AND LIGHTWEIGHT : Aluminum titaniun metal for durable structure, only 0.8 ounces for superior comfort. ONE SIZE FITS ALL : 30 adjustable arms with "Flex Fit" metal hinge for different face size. PERFECT PACKING AND THOUGHTFUL SERVICE : Premium spectacle case is more light and smaller than before for lugging aroud easily included soft cloth. if you have any question, don't hesitate to [ CONTACT US ] by the email on the after sale card.