Material: polyester

Color classification: light gray ordinary version, blue ordinary version, black ordinary version, upgraded version, light gray (USB interface heat preservation cup sleeve), upgraded version, blue (USB interface heat preservation cup sleeve), upgraded version, black (USB interface heat preservation cup sleeve)

Internal structure: milk bottle bag tissue bag dry and wet separation bag water bottle bag diaper change pad bag diaper bag

Style: backpack

Large size:

Waterproof degree: splash proof