Description 411G2 (Large) Dimensions: A: 135mm B: 56mm C: 60mm 411G5 (Medium) Dimensions: A: 130mm B: 48mm C: 57mm 411G2J (Small) Dimensions: A: 110mm B: 42mm C: 47mm Ploraized UV400 Flip-up sunglasses that securely attach to prescription eyeglass frames. For an ideal fit, we recommend measuring eyeglasses frames total width x total height in millimeters. To properly connect the polarized flip-up sunglasses to prescription eyeglasses frames as rule of thumb add 2 mm to the height and width . Clips designed to fit nearly all types of Rx eyeglass frames both metal and plastic, attaches to the bridge of glasses. Squeeze to open the clip to have it securely attached to the bridge of eyeglasses “Sticky” vinyl clip, soft rubber coated legs to protect ophthalmic lenses to minimizes shifting and scratching Lightweight, will not damage the frame or the lenses of the spectacles. Easy to use flip-up or down with only one hand, clip to prescription frames with positive indexing lens positions UV400 Lens Technology, absorbing 100% of harmful UVA/UVB rays. Polarized lenses are also highly scratch resistant Practical to use during different types of activities such as boating, fishing, or simply while driving.
