Glasses manufacturer print a lot of color patterns on the lenses.
Both lenses have small holes, so you can see the outside.
Because it is pinhole design,
consequently some printed patterns will fall out of the pinholes.
Large, bold logos are recommended.
It can be as a gift on many occasions.
For example, weddings, beach themed events and charity fundraising.
It’s a perfect gift.
In addition, summer parades and festivals, especially around July 4
Or, the home fans day of the sports team.