"30-piece set of craft paper sleeves for 7-inch records" *For reference, many sleeves are used in the photos, but only the quantity in the title will be shipped! \\\\\\\Instant purchase without comment OK/////// - Type: Record sleeve - Design: Kraft paper, with a circular hole - Quantity: 30-piece set - Suitable size: For 7-inch records - Actual size: Approximately 182mm x approximately 182mm - Center hole size: Approximately 80mm *Regarding paper thickness As there is no detailed description from the paper supplier, I cannot give an exact number, but it is approximately 0.11mm to 0.13mm. Among medium-thick, thick, and extra-thick paper, it is considered to be the thickness of thick paper! The 6th photo is an image comparing the thickness of different types of paper when 10 sheets are stacked, and is not included in the product! Thank you for viewing! We have many other products listed in our profile, so please take a look at those as well!