【Large-capacity Loading】: 80/100L large capacity camping hiking backpack, large-capacity main storage + 4 large external hanging system, the main bag can hold clothes, quilts, tents, sleeping bags and travel items, and can hold 2-6 people travel equipment. Four external hanging systems can be used to tie tents, moisture-proof mats + trekking poles + tie sleeping mats, picnic mats + side water bottles.