These reusable sandwich bags are very easy to clean. It is recommended to wash them by hand rather than put them in the dishwasher. You can clean it with a simple dish brush, then hang the reusable food bag over the glass to dry. The transparent layout allows intuitive navigation of the interior elements. These reusable sandwich bags are made of biodegradable PEVA material and do not contain PVC, lead, chloride or BPA, allow you to safely store all kinds of foods, such as sandwiches, fresh fruits, vegetables, snacks, cookies, chips... -Thick material and upgraded double hinge seal design, improve tightness, no water leakage, no air leakage, anti-odor and anti-oxidation, ideal for carrying and storing food, keeping food fresh; Can be safely used in the refrigerator to store meat, chicken, fish, fruits and vegetables -Choose our reusable bags to reduce the use of plastic bags and minimize the pollution of the earth. Your little gesture can save the planet. If you are not satisfied with the order or purchase, please feel free to contact us to find a solution. 5 PCS : 20.3 X 14.5 / 25.4 X 18.3 / 22 X 20 / 22 X 22 / 15.3 X 10.5 CM, Weight: 0.220462262 Pounds, Manufacturer: PARENCE