... 2.TAC Polarized lenses 3.Competitive price, Prompt shipment. Clip-on sunglasses,without screw, without welding , patent products, TAC polarized lenses. 1) TAC Polarized lenses, No distortion ... . 2) Easily attaches to most prescription frames 3) 100% UVA & UVB Protection, Minimise glare. 4) The Best fishing lenses ...