Note: even the smallest size is a little too big for newborns, it may be best to use a different brand for the first month or so.
We've used other diaper brands, such as pampers and the amazon brand, and these prevent blowouts the best of any of them. They are super absorbent, usually very well contained, and comfortable. We had issues with diaper rash, but if you use cream every time you should be fine. Overall really quality product!