Reusable shopping bags are an eco-friendly alternative to single-use plastic bags, which can take hundreds of years to decompose and contribute to environmental pollution. Reusable bags are made from durable materials. This makes them long-lasting and sturdy, able to hold heavy loads. Reusable shopping bags come in various sizes and styles, with many designed to fold up into a compact size for easy carrying in a purse, backpack or car. These bags are easily cleaned by hand or in a washing machine. Most are also waterproof, making them useful for carrying wet items.