I don't have the Fantasia but I do have the Precious Tapestry. AND I LOVE IT!!! Worth every penny. (I think that I'm their biggest advocate
)
Annie is about 5-6 lbs and I have a small bag. She loves her bag. Sometimes I'll just leave the bag on the floor when we're at home and she just hops in there and hangs out
When we're out and about I'll just aim the bag opening at her and she just hops in
So I'd she likes it just fine. But she has had the bag for almost a year now. The bag empty is fairly light. They have nice pockets to put things in like napkins, poopie bags, leash, etc. The also have privacy flaps on the bag too which are good for when you want to sneak your baby into places that they aren't allowed! I don't think I would buy any other bag besides a celltei ever again.
My petsitter saw my bag and ended up buying the Fantasia. (I've seen hers and its cute, I was actually thinking about getting that one cause it was cheaper but I really liked the tapestry one a little better) She seems to like it a lot. Her Yorkie is about the same size (maybe a wee bit smaller than Annie) But she got the medium sized bag cause she wanted her yorkie to have more room in there. But for a 5-6 lb dog I would say small is more than plenty of room. Plus the bigger the bag you have the heavier it gets