12x SONY METAL-XR 90 Audio Cassettes High quality, 90 minutes, Metal Audio Cassettes Type IV . These cassettes have stood the test of time and still sound great. Year of these tapes is 1990. 7x SONY METAL-XR 90 , Type IV , Recording-Protection Tabs are removed ! 3x SONY METAL-XR 90 , Type IV , Recording-Protection Tabs are still in ! 2x SONY METAL-XR 90 , Type IV , NEW in SEAL !! These Cassettes are recorded once. Inlays can be written. The recording content and quality is unknown. The quality of the tape itself looks very good. Not sticky, Not dusty, Not falling apart when playing !! The total weight is 1 Kg. Packaging will be done very solid and careful.