Naturehike Nuokelongwa Base 20L Lightweight Hiking Backpack Unisex Outdoor Mountaineering Travel Casual Double Shoulder Bag

DIY magic external straps for flexible expansion and quick access

Tighten all compression straps during use to prevent internal item movement

Maintain a slight forward lean while walking to distribute weight evenly across shoulders and back

For bulky items exceeding internal capacity, attach tents or mats externally using the external straps

Use rain cover in rainy or snowy conditions to maintain waterproofing

Clean outer surface with a dry soft brush to remove dust; avoid wet cloth wiping to prevent stains

Store backpack in a cool, dry place to prevent mold and damage to waterproof coating

Regularly inspect key support points such as waist belt, shoulder straps, and padding for wear or hardening

Avoid spraying insecticides or chemicals on the backpack surface during outdoor use

Prevent sharp objects from scratching or damaging the fabric surface

All measurements are manual and in centimeters (cm); slight deviations may occur. Please refer to the actual product.