Outdoor Travel Thickening Thermal Insulation Backpack Leak-proof Water Bag

Product information:
Pattern: solid color
Lining texture: Polyester
Applicable scenario: camping storage
Color: black, light gray, dark gray
Applicable gender: neutral/both men and women
Function: breathable, wear-resistant, anti-seismic, burden reduction
Material: Oxford cloth
Size: 16 inches
Bearing system: Curved shoulder strap
Style: business commute
Capacity: 20-35L