Everybody knows that the lid of pop-top can tends to be dirty. Rats and insects usually excrete on it. Most people will wipe it thoroughly before drinking. In reality, you can never wipe it clean enough! Certain amount of dirty, toxic contaminants will always stick there.

A thin film is sticked on the lid,
Take off the film and the lid is very clean, enjoy safe drinking!
This film has already stick on the lid during beverage production, therefore, it meets National Food Safety and Hygiene Standard. NO adverse effect to transportation.