Clip-on polarized sunglasses for glasses, rimless lenses

Description

Clip-on sunglasses lenses that attach to the front of an existing glasses frame. Each pair is listed as polarized and comes in dark green, brown or black grey lenses, in three sizes (S, M, L). The clip holds on with two small hooks and a button on the bridge. The supplier notes that the frame must be thinner than 5 mm, and advises choosing a larger size if the frame is wide. The size chart in the last photo gives lens widths of 53, 57 and 59 mm with heights of 32, 35 and 39 mm, and a 15 mm bridge. Sold as the clip-on lenses only, with no other accessories.