Our 30-minute blank cassette tapes with transparent hard cases are Suit for recording messages for DIY vintage surprise parties. These tapes can be used to capture heartfelt greetings, making them ideal for special occasions. Simply insert the tape into a cassette recorder, press the record button, and speak your message. The transparent hard case ensures your recordings are protected and easy to store. Features -Color:Assorted Color -Material:Plastic -Size:10.50X6.70X1.50cm/4.13X2.63X0.59in -Unique retro style: this blank audio cassette tape brings a unique retro vibe to your party, making it more surprising and fun for all attendees -Diy recording: with the ability to freely record your own messages, this cassette tape is Suit for creating greetings for any occasion -Versatile use: ideal for various events such as parties, birthdays, and weddings, this tape adds of warmth and joy to your celebrations -Transparent hard case: the stylish and minimalist transparent hard case not only protects the cassette but also showcases its elegant design -30minute recording time: with 30 minutes of recording capacity, you can capture all your important messages and memories without running Package list: 6 x retro tape empty case