The case is brand new in unopened packaging.  The case is new for 2023, as stated on the packaging.  The rare case was originally available at Hot Topic and quickly sold out.  The manufacturer's suggested retail price is $14.90.

Disney The Nightmare Before Christmas Zero house earbuds true wireless case by CultureFly

• This loyal ghost pup is here to look after your earbuds!  From The Nightmare Before Christmas, this wireless earbud case cover is shaped like Zero's dog house and comes with a removable Zero charm.  Compatible with 1st & 2nd Generation AirPods.
• Silicone
• Compatible with 1st & 2nd Generation AirPods.
• Includes charm