Designed with comfort and functionality in mind, these pinhole glasses are an effective tool for eyesight training. The black round frame complements various face shapes, while the pinhole lenses assist in reducing eye fatigue. Whether indoors or outdoors, they provide a versatile option for care and enhancement. Features -Color:Black -Material:Plastic -Size:16.00X15.00X5.30cm/6.29X5.89X2.08in -Comfortable pinhole glasses: designed with ergonomics in mind, these glasses provide a comfortable fit for extended periods of use -focusing enhancing technology: pinhole lenses help reduce eye strain by improving focusing, making them ideal for reading, driving, or other precision tasks -Durable and lightweight: built with robust yet lightweight materials, these glasses are nice for daily wear without causing discomfort -Practical design: the multi holes structure ensures proper ventilation, keeping your lenses clear even in humid conditions -Fashion with function: these pinhole glasses serve as both a practical aid and a stylish accessory, suitable for any occasion Package list: 4 x pinhole glasses