We went with the lululemon new parent backpack this time around for two under two! It has all the space, organizational pockets, stroller hooks built in, and it’s something my husband and I can both carry! I linked some more affordable look a like options too, but the quality of the lululemon one is top notch!! Diaper bag, two under two diaper bag, baby diaper bag LTKkids LTKfamily LTKbaby