Kids' Backpack & Handbag Lesson Bag This is a sturdy backpack. The back is made of mesh material. I used it a few times for lessons. It's still in good condition, but please understand that it is a used item. Please refrain from excessive price negotiations. Height: Approximately 30cm Width: Approximately 38cm Depth: Approximately 15cm ↑ These are the sizes listed on the tag.