This is a 3-piece set consisting of a lesson bag, a change-of-clothes bag (for gym clothes), and a shoe bag. Size: Lesson Bag: Approximately 32cm (height) x 41cm (width) Handle: Approximately 30cm Change-of-Clothes Bag: Approximately 39cm (height) x 32cm (width) Handle: Approximately 19cm String: Approximately 150cm x 2 Shoe Bag: Approximately 31cm (height) x 23cm (width) (large size) Handle: Approximately 13cm (folded) Materials: Outer Fabric: Top: Light blue Oxford cloth Bottom: Navy canvas Inner Fabric: Gray twill (polyester and cotton blend) Please note that this is handmade by an amateur, so we recommend purchase by those who understand this.