JM Women’s 2 Pack Flip Down Reading Glasses for Makeup.Product DetailFrame: Plastic FrameLenses: Plastic Color: Black, Red TortoiseDiopter available: +1.0, +1.25, +1.5, +1.75, +2.0, +2.5, +2.75, +3.0, +3.5, +4.0Designed for makeup Makeup readers with switchable lens avoid make-up trouble, like crooked lipstick, eyeliner and mascara. When you try to make up your left eyes, you need to switch the lens to your right, and vice versa. TIPS FOR CLEANINGUse a gentle lens solution. To avoid scratches.Never wipe the lens when they're dry (there may be dust or particles).Use Soft materials such as cleaning cloths, Don't use paper towels or other rough materials.