I've used the up&up ones and loved them. I've had 2 daycare babies who's moms bring Lansinoh and BOTH have had broken bags at least 1-2/wk or more. Just had one today! They feel thinner than the up&up? And I thought my up&up bags had a double zipper too!
Kristi, Mommy to Josh & Nick (identical twins 6-97) Nathen (3-02), Joey (2-04), Jacob (11-05) & Aaron (12-11) I sell Tupperware!
"A person's a person, no matter how small..." Dr Seuss