A canvas bag is a durable and versatile bag made from heavy-duty cotton fabric known as canvas. These bags are often used for shopping, carrying books, or as everyday totes due to their strength and ability to hold weight. They come in various sizes and styles, including shoulder bags, backpacks, and reusable shopping bags. Canvas bags are popular for their eco-friendly nature, as they can be reused multiple times, reducing the need for single-use plastic bags. Many people personalize their canvas bags with designs or logos, making them a fashionable choice for both practical and aesthetic purposes.