中文描述：
1. 耐用材料：由抗撕裂、防水的聚酯材料制成。 重型金属拉链可适应长期使用。 再也不用担心拉链坏了！
2. 紧凑且可折叠：可折叠到三明治大小的内部拉链口袋中，易于携带和存放。 旨在轻松将其装入手提箱中，以便在目的地作为旅行的额外包使用。
3. 轻便大容量：足够宽敞，可容纳1天的必需品。 只需将其从行李箱中展开并将其用作超重行李的随身行李即可避免超重行李费用。 无论是一日游还是长途旅行，都是必备品。
4. 多用途：超轻。 超耐用。 超级棒。 这款背包非常适合日常使用或一日游、度假、旅行、一日徒步、上学、露营或购物等。是送给每个旅行爱好者的理想礼物。
5. 应用场景广泛：适合成人、青年男女、老年人，出行非常方便，易于使用，适合大多数运动，如登山、露营、远足、远足、骑自行车、钓鱼、 狩猎、滑雪、登山、摄影、郊游以及许多其他户外活动。

1. Durable Material: Made of tear and water resistant polyester material. Heavy duty metal zippers can adapt to long-term use. Never worry about the broken zipper!
2. Compact And Foldable: Can be folded into an inner zipper pocket with sandwich size, easy to carry and store. Designed to easily pack it in your suitcase for use at their destition as an extra bag for the trip.
3. Lightweight & Large Capacity: Spacious enough to carry a day worth of necessities. Avoid overweight bage charges by simply unfolding it from your lage and using it as a carry on for your excess bage. A must-have whether a day-trip or a long-way to-ur.
4. Multipurpose: Ultra-light. Ultra-durable. Ultra-awesome. The backpack is perfect for day-to-day use or day trips, vacation, travel, day hikes, school, camping or shopping etc. A great gift for every travel enthusiast.
5. Wide Range of Application Scenarios: Suitable for adults, young men and women, and the elderly, very convenient for travel, easy to use, suitable for most sports, such as mountain climbing, camping, hiking, hiking, cycling, fishing, hunting, skiing, mountain climbing, photography, outings and many more Other outdoor activities.