Product description Material: Resin Size: total width 153mm, frame height 45mm, temple length 135mm, nose spacing 18mm Color: black Anti-UV grade: UV400 Quantity: 1pcs Package content: 1*large high-definition prism lazy glasses 1.CHANGAR Universal and Myopia Usable: Used for both youngsters and old people,great for the bedridden and hospital patients 2.Benefit for Health: High Definition Lazy Glasses help you read books and watch TV shows without direct contact and moving your head. Prevents from neck pain, radiation and eyestrain 3.Super Convenient: This High-qualified Optical Glasses is in a light weight which can be carried all around easily. And It has the similar shape as the ordinary one. You can wear the prism glasses only or wear it over your ordinary glasses (include prescription glasses). 4.High Quality Glasses: Lazy Glasses are made by High Definition glasses and high quality reflecting prism which bring Clear and bright image, enable people in a supine position to see object in the front 5.Using optical principles and reflective prismsit helps people to read more easily and comfortably when lying down, watch TV, etc., and reduce cervical and spinal pressure caused by long-term sitting.