Description If you are worried about your vision, thenyou must not miss our clip-on blue light blocking glasses.It can effectively prevent blue light and protect your eyes. A wonderful gift for your family and friends, and they will like it. Features - Material: Silicone, metal. - Size: Approx.13.20X3.90X0.10cm /5.19X1.53X0.04in .- Note:This is a clip-on eyeglass, which is clipped on the glasses.- This clip-on eyeglass is usinganti-blue light coating, which cannot only effectively block ultraviolet rays, but also filter blue light.- The silicone clip is smooth and round, which will not scratch your eyeglasses.- Easy to clip it on the eyeglasses, saving time and labor. - Unisex design and all-match style, both women and men are available. - Thin and light, will not affect the use of your eyeglasses. Packing list: 1 x Clip-on Blue Light Blocking Glasses