You don't know whether the flower recipient has a vase? Or you have to travel to get it to that required recipient?
Stems in water is going to be your best bet!
All our bouquets in water no longer come as an aqua pack (basically a balloon of water in a box), but in our Stemgem vases. Made of recycled plastic household cleaning bottles and produced here in the UK, they are also 100% recyclable.
Not only do you not make a mess when undoing the old style bouquets with water gushing everywhere, but you have a vase that you can use again!