Lens width about 2 3/8 inches (61mm)

Plastic frame with spring hinges

EYEKEEPER POLARIZED BIFOCAL SUNGLASSES - Sunglasses and reading glasses

Spring hinges: Yes

Polarized Lens Clip on Sunglasses C61 (56MMx34MM) Fully Magnified Blue Light Readers Lens width about 2 3/8[READERS & OUTDOOR CHALLENGES] If you wear readers, spending time outdoors often means switching between clear lenses and sunglasses. Bright sunlight and reflected light from roads, water, and other surfaces can make driving, fishing, hiking, and daily activities less comfortable while reducing viewing clarity. [EYEKEEPER CLIP ON POLARIZED LENS SYSTEM] The clip on design quickly converts compatible readers into sunglasses whenever needed. TAC