Out of Box item, may require some assembly. See link for more details:

Note: This is just the car seat, sun shade is bent out of original shape, doesn't come with alpine bar piece, see photos

https://www.target.com/p/britax-willow-brook-s-baby-travel-system-infant-car-seat-and-stroller-combo-raven-black/-/A-92451086#lnk=sametab