Plastic frame Acrylic lens Non Polarized High Energy Visible Coating coating Lens width: 46 millimeters Bridge: 13 millimeters Arm: 14 centimeters Eyekepper BB90 lenses - amber tinted lenses with 12 layer coating. Eyekepper BB90 lenses - amber tinted lenses with 12 layer coating. Test via the spectrometer(the performance of blue light blocking):block 62% within 500nm,block 71% within 490nm,block 78% within 480nm,block 81% within 470nm,block 83% within 460nm,block 86% within 450nm,block 88% within 440nm,block 89% within 430nm,block 92% within 420nm,block more than 99% within 400nm-410nm. 30% color distortion due to 50% blue color was filtered out. The lenses block 50% blue color of online test for color filtering properties.Please check Eyekepper BB98 lenses if you need block more blue color and blue light. PRODUCTS DIMENSION - Frame Material is Plastic,Lens width about 2 inches(50mm),Frame width about 5 5/16 inches(135mm), Lens height about 1 3/16 inches(30mm),Frame height about 1 5/16 inches(34mm),Brige about 1/2 inches(13mm),Temple length about 5 1/2 inches(140mm),with spring hinge Show more