Large Capacity DesignWith lunch bag and pencil case Multilayer zipper pockets scientific layered storage easy to load all the school supplies help children reasonable storage and categorization to develop good habits of organization and storage PracticalSix wheel 3piece set design the wheels are made of highquality rubber material with a solid center of gravity increasing the contact area between the wheels and the ground avoiding falling forward and sideways and also facilitating the climbing of stairs 3 in 1 Girls Trolley BookbagsRemovable trolley design can be used alone backpack handbag backpack or together with the tie rod A variety of colorways each color is carefully designed by the designer fashionable and youthful and energetic giving kids more choices Tie Rod DetailsTrolley bar threeposition adjustment suitable for children of different ages according to the height of the different arbitrary expansion and adjustment of the height of the trolley bar the bottom of the trolley bar can be folded design convenient and practical spacesaving the bottom is raised greatly reducing the wear and tear of the school bag and the ground ComfortableHighdensity waterproof fabric durable and wearresistant do not worry about rainy days will soak the items in the backpack Sshaped shoulder straps ergonomic design scientific protection of the childs spine and shoulders