Given the task definition and input, reply with output. In this task, you're given a review from Amazon's food products. Your task is to generate a short summary of the given review in the input. Note that you don't need to write a complete sentence as a summary.

The bag we received from Amazon had hollow biscuits and were harder than the ones we purchased from a local store. Were these a reject batch? Certainly over baked or dried out! Our bichon had a hard time biting into it.
Hollow and hard!