Product review (4 stars): So far so good!
I would say that overall I'm very happy with this product.  I was extremely apprehensive about purchasing this set of trash compactor bags due to many bad reviews, but so far we've had good luck.  The first bag that we installed had some seep through, but not major damage to the bag when we removed it from the trash compactor.  The exterior of every other bag that we've used has been dry and encapsulated by the plastic lining in the bag.  Overall I would recommend this product unless you plan to spill large amounts of liquid into your compactor.  I don't believe the plastic lining is meant to hold cups and cups of liquid, but for everyday household waste it should do the trick just fine.