This is a children's backpack in the shape of the E6 series Komachi Shinkansen. Made of a firm material, it won't lose its shape even when loaded with items, and will maintain the Komachi's form when worn. The shoulder straps can be connected at the chest, preventing them from slipping off the shoulders. Product size (backpack body) Height: 28.5cm Width: 24cm Depth: 9cm Please note that these measurements are approximate, as they were taken by hand.