What the best way and right equipment to make flower arrangement delivery in station wagon?

Ineed to make a flowers arrangements delivery in a station wagon car from the store to customers’ home, 4 – 5 at the time.
Some times containers have a square or round shape, glass or porcelain.

Make four to six by six squares out of thick sturdy foam, you can find it at hardware stores. make some 4×4 some 6×6. make sure the foam is at least four inches tall, they will not spill if Not filled to the brim and you’re not driving like a bat our of heck.