Untested, some writing on back of case but unknown what if anything is recorded. Case has wear. The Maxell UD 35-180 Sound Recording Tape is a high-quality recording medium designed for reel-to-reel audio recording systems. Made in Japan, this 3600' tape features a sturdy metal reel for durability and reliable performance. Ideal for audiophiles and music enthusiasts looking to capture their favorite recordings, this tape is perfect for creating professional-quality sound recordings. With its recordable feature, users can easily transfer music from vinyl records or cassette tapes to this format for preservation and sharing.