Bag Size: 10-9/16 in. x 10-3/4 in. (26.8cm x 27.3cm). BPA free. Made of polyethylene--BPA has never been used to make polyethylene. This multipurpose product is ideal for storing fresh foods and leftovers. Other suggested uses are: General sorting and storing at home, school and office. Organize and store personal care items when traveling. Store art and craft supplies. Help keep things dry when camping or hiking.