The product is a lot of 13 TDK blank cassette tapes with a capacity of 90 minutes each. They are new and sealed. These recordable cassette tapes are ideal for recording music, speeches, or any other audio content. The TDK brand is known for producing high-quality audio recording products, making these cassette tapes a reliable choice for preserving audio recordings. Made in the United States, these tapes offer a durable construction and long-lasting performance. There are 12 D90 & 1 D60. Thanks for looking. Don’t hesitate to make a reasonable offer