This canvas backpack is made of comfortable and soft pure cotton canvas on the outside. The hardware accessories of the backpack are all made of high-quality hardware, which is durable, wear-resistant, and non fading, showing a retro and practical style. The six strand coarse seam technology is tight and firm, without any loose threads, and the stitches are uniform and firm, reducing the chance of breakage. The combination of multi pocket layout and large capacity main bag enables items to be stored in an orderly manner. The backpack system is thoughtful and practical, with comfortable and breathable shoulder straps and unique shoulder strap storage design for a better user experience. Its specification size is 282848 centimeters. Widely applicable scenarios, covering various occasions such as daily outings, shopping, travel, camping, etc., can meet the daily needs of different age groups.