Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Great...but beware of product defects

One of the best diapers out there...and Amazon has a brilliant deal on these with their subscription service. HOWEVER, we've come across diapers with tabs that don't adhere completely and have had to toss about half a package of the defective ones. They are great when they work: no diaper rash on the kid, seems to hold up well under activity, and they do a great job soaking up the pee/poo. It's not entirely earth-friendly given that they do eventually end up in the landfills (same as the Pampers and the Huggies) but being chlorine-free does mean a little less pollution overall.Update: Amazon customer service rocks! I called about the defective diapers and they are sending me replacements, gratis. Let's hope that these tabs aren't a commonplace manufacturing defect.