This could be great if you're just looking for a small bottle, given its 50-ml volume. If you're looking for a Christian Dior Poison fragrance, this might suit you.
From Amazon
Christian Dior Poison Girl Edt Vapo 50ml, (Pack of 1)
Perfumes Club
Poison Girl eau de toilette spray 50 ml
This product is also available at 2 unverified merchants.