Letterbox Bouquet

I was sent this beautiful bouquet of flowers from some friends.

Believe it or not, this bouquet arrived in a box which fitted through the letterbox! The flowers arrive in bud, with the heads carefully protected. They are described as being sleepy and come with care instructions.
After about 48 hours, they transform from being sleepy to being wide awake and lovely.
Clever business idea, it doesn't matter it no one is at home when they're delivered.