Finding a twin xxl comforter can be challenging if not impossible, but not at Bed Linens Etc., we carry a complete line of twin xxl comforters and bedding. A twin xxl matttress measures 39x84 as compared to an xl twin which measures 39x80. Most of your college dorm bedding is either a twin xl or twin xxl. If you are not sure which size you have simply measure the mattress to ensure a correct fit. If you have an odd size bed simply contact one of our courteous customer service representatives who can help you out with some custom bedding.