Hiking Backpack, 40L+10L Expandable Travel Backpack Flight Approved, Camping, Travel Backpack For Men and Women

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【Unique Design Backpack】Hiking backpack in expandable version. Large capacity & lightweight hiking daypack. Before extension:14 x 8 x 21.5 inch (40L). After extension:14 x 8 x 25.5 inch (50L)
【Expandable & Extra Large Capacity】SEMSTY hiking backpack can be expanded by using the zipper at the bottom (from 40L to 50L). Roomy enough for a CARRY ON. The side buckles make your stuffs safe and make the backpack not too bulged even it’s fully packed. Multi-compartments can hold everything you need in travels, such as phone, pens, maps,bottles, umbrella or camping supplies etc. You can easily organize all your essential stuffs. An outdoor backpack perfect for hiking, camping and travel.