I'm not sure how you feel about it, but I think spending $5 on a bag is silly. I'd much rather spend an extra $5 on a gift, than on a bag- but maybe that's just me?
Hobby Lobby sells their bags for a whopping $1 (go ahead, celebrate)!! They come in many colors... I usually start there, and then add something to the bag.
This is a bag that I made for my friend's baby, Annabelle:
I cut the shoes out using my Silhouette (baby_shoe_C00408_18816) , BUT you could easily cut these out with scissors and hole punch, too.
Here is the template:
I would use scalloped scissors, instead of making all those little cuts.