Transparent book covers (B5 size), set of 3 packs with 4 covers each. Being transparent, the title is easy to see, and you can keep your books in good condition! Adjustable to fit the thickness of the book! [For Textbooks and Magazines, B5 Size] ■ [Compatible Size]: Approximately 257mm tall x 182mm wide x up to 30mm thick [Product Size]: Approximately 262mm tall x 485mm wide (Please note that there may be slight variations) ■ Contents: 4 covers per pack ■ Material: Polypropylene Brand new, unused. In the unlikely event that I send the wrong product, or a product with scratches or stains that make it seem not new due to my mistake, I will accept returns and cancellations. Shipped via mail service. Delivery to your mailbox will take 2-7 days from the shipping date.