ColorViper TR90 Readers Flexie Reading Glasses schoolboy 2291RT TR90 frame plastic lens non-polarized Lens width: 48 millimeters Lens height: 43 millimeters Bridge: 21 millimeters Arm: 140 millimeters TR90 Frame 48mm-21mm-140mm, 5.3" Width 1.70" Lens Height, 5.5"Temple Light Weight 0.78oz , Flexible, Durable