6 Pack Cat-eye Sleep Glasses Red Lens Blue & Green Light Blocking R2514-R100 Clip-on Flip up Blue Light Glasses Plastic frame with spring hinges

Plastic frame with spring hinges

Frame width about 5 5/16inches (135mm)

and anyone on the go

Frame width about 5 1/8 inches (130mm)

Lens width about 2

6 Pack Cat-eye Sleep Glasses Red Lens Blue & Green Light Blocking R2514-R100 Clip-on Flip up Blue Light Glasses Plastic frame with spring hingesMetalless & Screwless: No screws, no metal just flexible, durable hinge that snap back perfectly every time. Strong screwless hinges no worries about breaks or lost pieces. Ultimate Blue and Green Light Blocking: Red lenses filter out 100% of sleep disrupting blue and green light. Frame width about 5. 63 inches (143mm), Lens width about 2. 09 inches (53mm), Lens height about 1. 50 inches (38mm), Bridge (DBL) about 0. 63 inches (16mm), Temple length