Material: high quality polyester, sturdy, waterproof and lightweight.Durable: All folding bags are reinforced with double stitches, allowing them to safely support heavy loads, holding up to 44-55 pounds (20-25 kg).Portable: This reusable grocery tote is easy to fold up with its own built-in square pouch and fit in your purse or pocket.Eco-friendly: these grocery bags are machine washable and reusable, reusable bags can reduce the use of plastic and paper bags, eco-friendly and sturdy, help protect the earth.Widely Used: Shopping BagsLightweight, foldable designs suitable for regular grocery shopping, travel, camping, organization, used as beach bags, stuff sacks and more.