Is it bad to gift a wine glass for a birthday?

My sister and my nephew will be having a birthday party tomorrow and I just bought a box of wine glasses for each of them. My nephew will turn 21 tomorrow and my sister just turned 48 a few days ago so my gift to her is a bit late.
Is it bad to gift a wine glass for a birthday?
Is it bad to gift a wine glass for a birthday?
Is it bad to gift a wine glass for a birthday?
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