Get ready for high-fidelity recording with this set of 3 Sony HF 90-minute blank audio cassette tapes. The Type 1 normal bias tapes come in a standard jewel case packaging, ensuring safe storage and easy transport. The Sony HF 90 model guarantees top-notch performance and optimal recording quality. With a max. recording capacity of 90 minutes, these tapes are perfect for recording music, speeches, and more. The tapes are recordable and compatible with most cassette players. Don't miss out on this opportunity to experience the clarity and richness of Sony audio technology.