These are all the same type of tape. This is a set of 70 Sony normal position 90-minute tapes that I used for air checking back in the day. There are so many, so I haven't erased the contents, so please overwrite them. They all have tabs, and the index stickers are unused, but I've handwritten the broadcasting station name, date, program name, content, etc. on the back of the index cards. As you can see, one side of the index cards is blank, so I think you can use them. All the tabs are present. These are used tapes in this condition, so please refrain from any claims. Just in case, I'll include about 10 extra tapes of a different type and manufacturer, so thank you for your understanding.