【Versatile Carrying Options】This backpack supports three carrying methods: single shoulder, double shoulder, and handheld, adapting to various scenarios and needs. 【USB Functionality】Equipped with an external USB port for convenient charging on the go, enhancing its practicality for modern users. 【Durable Material】Crafted from thickened canvas fabric, this bag offers durability and a quality feel, with some water-resistant properties ideal for outdoor use or daily commuting. 【Spacious Design】With dimensions of 40CM height, 30CM width, and 12CM thickness, this backpack provides ample space for your belongings. 【Ergonomic Shoulder Strap】Designed for superior comfort, the widened shoulder strap with cushioned padding evenly distributes weight and conforms to your body shape. Specifications: Material: Thickened canvas Size: Height 40cm, Width 30cm, Thickness 12cm Weight: 0.46kg