35L Lightweight Backpack with Survival Whistle - Backpack for Men and Women - Commuting, Travel, Hiking, Outdoor, Large Capacity, Water-Repellent, A4 Compatible Slightly larger 35L capacity: A slightly larger 35L design, convenient for everyday use, travel, and day hikes. Easily stores laptops, clothing, and snacks. Lightweight Backpack & Compact Design — This backpack is easy to carry with thin padded shoulder straps. In addition, a survival whistle is equipped on one of the shoulder straps for emergency safety measures. Perfect for commuting, day trips, and outings. (*Not suitable for heavy loads or long-term use.) Simple design for a wide range of uses: Unisex design that can be used by both men and women. Convenient for everyday use, shopping, business, outdoor activities, hiking, and as a sub-bag for travel. Large capacity & easy to organize: The main compartment is compatible with A4 size items and laptops. With small pockets, smartphones, wallets, and water bottles can be stored neatly. Durable material: Made of durable polyester fabric suitable for everyday use. A lightweight backpack that you can use for a long time. Easy to care for and long-lasting: Hand wash before first use and air dry in a well-ventilated place. Keeping it clean makes it comfortable for commuting and travel.