Since my giftee has not received yet, I messaged the seller and got this helpful reply.
Hello
Thank you for your email.
and I apologize your inconvenience.
I Shipped 6th Nov 2016 by Japan Post.
This shipping is economy.
It takes about 4 or 5 weeks from Japan to US.
and now it is Christmas season.
Delivery company treat so many package.
Please wait to receive.
Thank you for your understanding and cooperation
I'm gonna ride it out, but I may have to scramble to get another gift(s). Sorry giftee.