Petite round shape glasses, perfect for those with smaller features who want an adult looking frame! They also feature a thicker rim to hide lenses for those with a higher prescription. These prescription glasses transform into stylish sunglasses with a cool clip. Cuba features a polarised magnetic sunglasses clip. It is light in weight and makes a perfect everyday wearable glasses style for small faces. The double-bridge clip on sunglass gives a vintage look. Simply click on the sunglasses when the weather changes; no more carrying two pairs of glasses! Size: 48 x 19 Arm Length: 143mm Shape: Round Metal frame. Biobased material derived from castor seeds and recycled metal. Recycled packaging. Carbon negative eyewear brand. One frame, one tree program means ECO has planted over 3.6 million trees. Clip-on glasses for men and women UV protection Suitable for prescription lenses