Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Ultimate Purchase

These sheets are the best bedding purchase we made for our twins. They are a cinch to change, even at 3am, they don't stain easily, they wash along with the regular laundry... My only hope is that they can stand up to long use, because as long as our little ones are in a crib or toddler bed we will be using these.