＊The USB charging cable is placed in the front pocket and can be attached and detached, making it convenient to care for the backpack. ＊Due to waterproof considerations, there is no earphone jack, but customers who wish to use this function can cut it open with scissors. 【Size】 45x30x18cm Shoulder strap width: 8cm 500g 【Material】Nylon 【Color】Gray "Ultra-lightweight and highly versatile" With plenty of pockets, it can neatly store essential items for modern life, from A4-size documents and textbooks to 15.6-inch laptops, tablets, cameras, pens, and clothing. Combining lightness and ample storage capacity, it is a popular backpack suitable for commuting to school or work, short trips, and short business trips. "Anti-theft & Multi-functional" (1) With a lock, the side pocket (right) has a carabiner attached, connecting to the zipper handle, which is useful for preventing theft while traveling or on the go. (2) USB charging possible: There is a USB charging port on the side, allowing you to charge while wearing the backpack. (3) A hidden pocket on the back allows you to safely store valuables such as wallets and smartphones. (4) Comes with a dedicated belt that can be attached to a suitcase (releases the shoulders with a carrier supporter) (5) Comes with a key holder to attach keys (eliminates the hassle of searching for keys) "Excellent breathability & comfortable for long periods" The back and shoulder straps use high-cushion mesh material, providing a comfortable carrying experience. The chest belt is also included, significantly reducing the burden on the shoulders and preventing shoulder slippage. "Durable, water-resistant, and abrasion-resistant" The backpack uses high-density nylon fabric, boasting excellent durability that is resistant to tearing and friction, and is also water-repellent. It protects the contents of the bag from sudden rain and dirt. The construction is also solid, finished with secure double stitching, allowing for long-term use. "Simple & Unisex" A stylish and high-quality simple backpack that can be used regardless of gender or age is finally here. Perfect for everyday use such as commuting, going to school, traveling, school trips, excursions, mountain climbing, cycling, going out, outdoor activities, gifts, disaster prevention, and daily life. Can also be used for light 1-2 night business trips. "Material" Adopts high-density nylon fabric, boasting excellent durability that is resistant to tearing and friction, and is also water-repellent. You can see other products at #piroom ♡