Features:
Lightweight and durable.
Activate your natural vision ability to see clearly.
Help exercise eyes muscles and relax your eyes.
Special designed to improve eyesight, especially eye focusing problems.
It is beneficial for the people who have problems of short-sighted, long-sighted, presbyopia, etc.

Specifications:
Material: Resin
Color: Black
Item Length: 14cm / 5.51in
Lens Length: 6cm / 2.36in
Lens Width: 4cm / 1.57in
Temple Length: 11.5cm / 4.53in
Bridge Width: 3cm / 1.18in
Item Weight: 24g / 0.84oz
Package Size: 24.5 * 8 * 4cm / 9.65 * 3.15 * 1.57in
Package Weight: 26g / 0.91oz

Package List:
1 * Pinhole Glasses

Note:
Please allow 1-2cm (0.4-0.8") differences due to manual measurement, thanks.