Eli5 why does cling film sometimes stick perfectly to some plates/bowls but other times it does not?

Question

Eli5 why does cling film sometimes stick perfectly to some plates/bowls but other times it does not?

In: 350

Answer 1

Am I the only one that vividly recalls cling film (we used to call it saran wrap) being WAY clingier back in the late 1990s early 2000s? I swear that stuff used to stick to EVERYTHING and now it’s just…meh

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Edit: should have read the comments first, turns out I’m not the only one

Answer 2

how do you add electric charge to those clingfilms?