The product is a set of four brand new sealed TDK SA90 blank audio cassette tapes, manufactured in 1995. These high bias tapes have a capacity of 90 minutes each and come in standard jewel cases. Perfect for recording music, speeches, or any other audio recordings, these cassette tapes are ideal for anyone looking to create their own mixtapes or preserve important audio recordings. With a lifetime manufacturer warranty, you can trust in the quality and durability of these premium cassette tapes from TDK.