They both have their COAs and belly plates. They both were preemie and newborn size clothes. They do not have a box opening. If you would like a box opening contact me.The item "Reborn baby ethnic twins black babies twin a twin b preemie babies with bellies" is in sale since Sunday, January 17, 2021. This item is in the category "Dolls & Bears\Dolls\Reborn\Reborn Dolls". The seller is "mikreb50" and is located in Fairburn, Georgia. This item can be shipped to United States.