DD is 18.5 months. She is 25 lbs and about 32 inches. Up until now, we have used a Cybex 2 go. We don't use it often but do use it when we travel especially in the airport. I do back carries. I think she is outgrowing it and we are headed to Florida at the end of March. I am not sure what size Kinderpack we would need. Here is the issue (if there is one), DH does not like to spend money. I have not been able to convince him to get a travel stroller (we have a Bee at home and a BJCM that we leave in the UK with my ILs). I really wanted to order the snap when the price was low. So with that in mind, it will be difficult to convince DH to buy a new Kinderpack so I need to make sure it will fit and work. Any advice is appreciated. TIA