19 Questions you think of something, we guess it

#19
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I am guessing that it is a letter (postal)? Right Wrong

I am guessing that it is cubic zirconia (ZrO₂) — wrong

Does it break if dropped — no

Is it heavy — no

Does it get wet — no

Does it weigh more than a duck — no

Would you use it daily — yes

Is it flexible — skip

Is it black — yes

Is it white — yes

Are there many different sorts of it — skip

Do you use it in public — no

Can it fit in an envelope — yes

Is it round — skip

Is it small — no

Is it brown — no

Is it larger than a pound of butter — skip

Does it bring joy to people — yes

Would you find it on a farm — no