Originally used them with my infant's Dr. Brown bottles but they have been super useful and clean well, especially with his straw sippy cups spouts. Don't know what else I would like to use besides maybe pipe cleaners (though they are not as durable) because the nipple cleaners that come with most bottle brushes are either too big or too abrasive. These are just right!"..." Read more
- Eve the clean freak in in Savannah, GA