Definition: In this task, you're given reviews from Amazon's products. Your task is to generate the Summary of the review.
Input: It's a great size for a weekend bag and love the slot to go over a carry on roller bag. However, the zipper is unreliable. After a few uses the zipper broke and has been a headache since to keep closed. ZIPPER IS A JOKE! HORRIBLE. NEED REPLACEMENT.

It's a great size for a weekend bag and love the slot ...