Out of box item, may require some assembly. See link for more details:
Size: 12"
Note: Tested and works great. Still has protective stickers on reflectors, does not include charging cord (comes charged) but a replacement charging cord can be found on amazon for $17-19
https://www.target.com/p/jetson-axle-12-34-foldable-step-over-electric-bike-black/-/A-82626047