Black Pinhole Eyeglasses Anti-fatigue Vision Care Pin hole Microporous Glasses Eye Exercise Eyesight Improve Natural Healing Anti-myopia Features: 100% Brand New. Weight: 26g Color: Black Item Length: 14cm Lens Length: 6cm Lens Width: 4cm Temple Length: 11.5cm Bridge Width: 3cm Material: plastic Package Content: 1 x Pinhole glasses