Diaper bag for two kids under 2years

Annelise • Mom of 5
my son will be 14months old when my 2nd is born. I am looking to get a new, roomier, gender neutral (no character ) diaper bag. As i will need to be carrying double everythung lol. Anyways does anyone have reccomadations of brands or styles?? Ive seen backpack diaper bags but im not so sure. Any advice helps.