The coolest mom must have for on the go! I proportion out his formula - 6 oz in each section. Plus a 2 oz bottle portion for the times he just a little extra hungry! This way, I just rotate the top, pour the powder in his bottle with water, and we're good to go. Makes it so much easier than scooping things out in public and has kept my car much cleaner (; LTKkids LTKbump LTKbaby