Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Jan R

I was very disappointed with this product. After not being able to locate the brand of stiffing cat pan liners that I normally use, I tried this brand. I found that my cats would tear through 4 to 5 sheets of this product between cleanings which means the whole pack would only last for 1 week. The liner sheets are too thin and messy. A pack of higher quality liners will last for at least 1 month.