1、BLUE BLOCKING: UV400 conservation. Effective in filtering digital blue light, and reduce eye fatigue, headache, glare, and dry eyes. 2、EASY STORAGE: The water resistant box with ring buckle, and the drawstring bag can be attached to the bag, and you can carry it around. 3、EXQUISITE WORKMANSHIP: Lightweight and flexible nose pads temples design allow no pressure on the nose and the ears; Low color difference, high light transmittance, and high definition. 4、ADJUSTABLE: The complimentary two way screwdriver makes the glasses easier to adjust the legs. 5、APPLICATION: It is functional when overexposed to hazardous light, video, PC, cell phone, or other digital screens. Description: Effectively stays your cherished eyes away from harmful blue lights caused by computers, PCs, laptops, TVs, phones, tablets, etc. Features: YOU WILL GET: 1*Glasses,1*Anti-shock storage box, 1*Cleaning cloth, 1*Drawstring Glasses Bag, 1*Blue light indicator card, 1*Screwdriver. BLUE BLOCKING:UV400 conservation. Effective in filtering digital blue light, and reduce eye fatigue, headache, glare, and dry eyes. It is functional when overexposed to hazardous blue light from TV, video, PC, cell phone, or other digital screens. EASY STORAGE: The water-resistant box with ring-buckle, and the drawstring bag can be attached to the bag, and you can carry it around. EXQUISITE WORKMANSHIP: Lightweight and flexibleone-piecenose pads&temples design allow no pressure on the nose and the ears; Low color difference, high light-transmittance, and high definition. ADJUSTABLE: The complimentary two-way screwdriver makes the glasses easier to adjust the legs. FASHIONABLE:Transparent design with chain-holes on the sides fits well with different face shapes, and is suitable for both men and women. NOTICE: Place your glasses with the lens facing upwards, otherwise, the lens may be damaged. When glasses are dirty, use eyeglass cleaner or a neutral detergent to rinse them softly, and it is recommended to go to an optician regularly for professional cleaning. Rinse the glasses with a tap and apply 2 small drops of detergent on each lens. Then rinse them off gently with water. Do not use something like a hairdryer to heat your glasses or put them in a hot place, as this may cause them to break. Don't use the cloth to wipe the glasses directly, in that the cloth is for dust-proof use. Specifications: Item Name: Blue Light Blocking Glasses Material: PC+Metal Color: Transparent ProductSize: 121*150*50mm/4.8"*5.9"*2" Package Size:160*70*65mm/6.3"*2.8"*2.6" Product Weight: Approx.77g/2.7oz (Glasses ONLY: 18g/0.6oz) Package Weight: Approx.80g/2.8oz Notes: 1. Size information is just for reference only, please allow 1-2cm (0.4-0.8") differences due to manual measurement, thanks. 2. Item color displayed in photos may be showing slightly different on your monitor since monitors are not calibrated the same. Package List: 1* Blue-Light Blocking Glasses(1 Pair) 1*Storage Box 1*Drawstring Bag 1*Cleaning Cloth 1*Test Card 1*Screwdriver 1* Glasses(1 Pair) 1*Storage Box 1*Drawstring Bag 1*Cleaning Cloth 1*Test Card 1*Screwdriver