This is a scam. They claim there are two fitted sheets in the 5-piece sheet set but they only send one and the package you receive is a 4-piece sheet set.
Customer Service resolved this issue to my satisfaction. Kudos to Customer Service.
I’m very sorry. Please contact Woot Customer Service for assistance. From a browser, use the Woot Customer Service form. In the Woot App, choose Account from the bottom navigation and then Support.