Given that it's come in contact with water, the word would not be "stale" which is when it becomes hard and dry but, as others have said, "soggy" or perhaps "sodden."

A stale chip will snap audibly, a soggy chip will bend and tear.

Given that it's come in contact with water, the word would not be "stale" which is when it becomes hard and dry but, as others have said, "soggy" or perhaps "sodden".

A stale chip will snap audibly, a soggy chip will bend and tear.

Given that it's come in contact with water, the word would not be "stale" which is when it becomes hard and dry but, as others have said, "soggy" or perhaps "sodden."

A stale chip will snap audibly, a soggy chip will bend and tear.

Given that it's come in contact with water, the word would not be "stale" which is when it becomes hard and dry but, as others have said, "soggy" or perhaps "sodden."

A stale chip will snap audibly, a soggy chip will bend and tear.