Simple design black school backpack, made of synthetic leather for high durability. - Color: Black - Design: Round - Material: Synthetic leather - Straps: Adjustable - Lock mechanism: Metal lock - Pockets: External pocket available - Style: Simple - Size: Standard size Thank you for viewing. It has been used for 6 years, so there is a feeling of use. As shown in photo 8, there is no insole. The lock is a one-touch type. There are also small scratches that do not appear in the photos, so please purchase only if you understand.