Black document case, convenient to carry with a shoulder strap. Inner diameter: Approximately 7 cm Outer diameter: Approximately 8 cm Length: Minimum approximately 55 cm, Maximum approximately 80 cm Strap length: Approximately 85 cm Weight: Approximately 300g Adjustable in 6 steps, extending from a minimum of approximately 55 cm to a maximum of approximately 80 cm, in increments of 3-4 cm. - Color: Black - Included Accessories: Shoulder strap, round cap - Dimensions: Length approximately 60 cm, diameter approximately 7cm Used for submitting drawing assignments in the architecture department. There are some small scratches. Please understand. Thank you for looking.