Midori PINK PURPLE B6 A5 Mesh Book Band Adjustable Pen Case Adjustab Book Band Pen Case in Black (B6 A5) by Midori Midori Book Band Pen Case For B6 A5 Notebooks Beige JetPens Midori PINK PURPLE B6 A5 Mesh Book Band Adjustable Pen Case Adjustab. Book Band Pen Case by Midori. This Book Band Pen Case in Black from Midori lets you carry up to 4 pens inside it's slim design. It features an adjustable elastic strap to adjust the length making it perfect for notebooks ranging in size from B6 to A5. The pen case is made from a mix of materials including cotton and polyester that combines texture and durability. You can put your pens and pencils in the zipper pouch, of alternatively the pen pocket that features a cover and has a slip prevention design to prevent your pens from falling out. A smart and stylish design ideal for daily use with your notebooks, and you'll never be without pen and paper every again. Colour Black. Fits B6 A5 notebooks. Product code: 41821006 Made in China.