Get ready to experience the high-quality sound of Memorex MRX I cassette tapes. These blank tapes have a capacity of 90 minutes and come in a pack of four. Each tape features Dolby NR technology, ensuring a crisp and clear sound quality. The long-run storage capability and scratch-resistant surface make these tapes a great choice for storing your favorite music or recording your own tracks. The normal bias feature provides a balanced sound output, and the recordable feature allows you to create your own tapes with ease. These tapes are brand new and come in a standard jewel case packaging. Order now and enjoy the classic sound of Memorex MRX I cassette tapes.