Feature: 1. Color: Black 2. Material: Plastic 3. Lens degree has large options insert in it. 4. Humanized design: The handle has two grooves, antislip design and easy to hold. 5. Workmanship: Thick and solid lenses and for rim;Each degree shown close to the lens. 6. Size: Bigger size than ordinary flippers enables easier use and more clear measure. Specifications: 1. Bigger size 2. Antislip design 3. With a plastic for case 4. 8options of lens degree 5.Inset Lens(Not Including) -0.50D~+0.50D, -1.00D~+1.00D, -1.50D~+1.50D, -2.00D~+2.00D, -2.50D~+2.50D, -3.00D~+3.00D, -3.50D~+3.50D, -4.50D~+4.00D and so on Optical Flipper Optometry Plastic Flip for Lens Confirmation Test Pacakge include:1X Flipper Optometry Plastic Flip( not including Lens) Notes: Due to the difference between different monitors, the picture may not reflect the actual color of the item.