Backpack Spine Protection Waterproof Large CapacityProduct information: Lining texture: Polyester Pattern: stripes Applicable scenario: School Education Color: lilac purple small size, lilac purple big, peach pink small size, Peach Red pink large, sapphire blue pink small size, sapphire blue pink large, sapphire blue green small size, sapphire blue green big, sky blue small size, sky blue big Applicable gender: neutral both men and women Function: breathable, waterproof, wear resistant, anti seismic,