Product information: Lining Material: Polyester Applicable Scene: School Education Colors: Black, Gray, Pink, Green Outer Pocket Type: Inside Patch Pocket Hardness: Medium-Soft Features: Breathable, Waterproof, Wear-Resistant, Shockproof, Weight-Reducing Material: Oxford Cloth Size: One Size Fits All Bag Interior Structure: Interlayer Zipper Pocket Trendy Element: Printed Pattern