Decmeber notice

hey yall, ive had one or two trades get back to me mentioning that my ends are taking a bit, so i reached out to my mail persona nd pretty much got told
The mail is super slow this month, tracking may not always update, and carriers dont always scan. please give an extra 2 -3 weeks on a parcel. I put a notice in my bio, but wasnt sure if yall wanted to do so or not, but im asking all new trades this month to understand the delay.