Made of polyester material. It is a Lightweight fabric that is also very sturdy and resistant to rips. Used widely:these bags are perfect for shopping,travel,work,school use,they are also the best gifts for graduation,party or special day. Suitable size: It is perfect size to a regular plastic grocery bag, these are big enough to carry a good amount of items safely and securely. These shopping bags are easy to fold and carry,you can fold it up into small portable pouch,and put it in your pocket purse or in the car,convenient for use next time. Reusable Bags:these are reusable grocery shopping bag,they're long lasting and washable,reduce waste of one-time-use paper bags and plastic bags,improve the environment by reducing the amount of trash,that is an important part of living a green lifestyle. Specifications: Material: polyester. Size: 38*38cm.