Always read the small prinjust slip them over your regular specs for a 4x enlargedmade from super light acrylicsupplied with specs casestandard 5x55cm and slim 3x55cmshortcode tabdescriptionturn your specs into powerful magnifiers with these lightweight clip on magnifying glasses perfect for reading telephone directories train timetables computer printouts plus that devils in the detail small print these clip on magnifiers provide 4x magnification clip on magnifiers for glasses