6 Days since Label has been created but not shipped

This is probably really silly but I ordered a customized necklace on December 2nd from a shop. On December 7th it said via the tracking the label was created and that it would get to me by the 12 but nothing has updated

(it’s going only a few towns over I was unaware that the shop was only a few towns over from me but I was aware we were in the same state) At what point should I worry? I did message them but from the past messages I’ve sent them it’s taken 1-2 days for them to respond.

I’m not in a hurry to receive the necklace as it’s not a gift for anyone but myself and I’m currently at school, but I’m just wanting to cover all my bases just in case. I know it’s only been 10 days from sale too so I’m not too worried yet.

They have good reviews and a lot of sales but everything has just seemed off. Should I just chalk it up to it being a busy season?

I know that there’s nothing I can do right now however I was just wondering at what point should I be worried? Pictures for reference Thanks! 🫶