JD Jingzao 21L Backpack Hiking Outdoor Sports Travel Casual Lightweight Cycling School Bag Off-White

Reinforced stitching for long-lasting durability

Scratch-resistant and wear-resistant surface

Environmentally safe materials certified by authoritative institutions

Tested for zipper durability (YKK zippers), corrosion resistance of hardware, impact resistance, and structural integrity under load and vibration

YKK smooth and durable zippers

Adjustable chest buckle to prevent shoulder slipping

Dual thumb buckles on both sides to reduce shoulder pressure when carrying heavy loads

Dual expandable snap buckles for secure fit and stability

1. Use a soft brush with neutral detergent or diluted soap water to gently clean surface stains; avoid vigorous scrubbing to prevent fabric damage or delamination.

2. Avoid prolonged soaking; recommended cleaning time under 10 minutes. After cleaning, absorb moisture with a dry towel and air dry in a cool, ventilated place away from direct sunlight to prevent fabric hardening or fading.

3. When drying, fill the bag interior with clean white paper or cotton cloth to maintain shape and prevent deformation.

4. Hang the bag in a ventilated area to dry after cleaning; do not expose to direct sunlight.

Classic dual-color options available

Compliance with QB/T1333-2018 zipper durability standards

Compliance with QB/T3826-1989 hardware corrosion resistance standards

Compliance with QB/T2922-2018 impact resistance standards

Formaldehyde and harmful dye content tested according to GB/T 2912.1-2009 and GB/T17502-2024 standards

lightweight, durable, and versatile backpack designed for both urban commuting and outdoor adventures, combining comfort, large capacity, and advanced material technology for reliable performance in diverse environments.