Make any lunch or snack time brighter by adding a reusable snack and sandwich bag! These bags have a waterproof lining called ProCare™. Why ProCare™ Barrier Fabric? This fabric is food safe - it is BPA, phthalate, and lead free. This fabric meets duty, laundering and material safety standards for use in medical and institutional products - it is CPSIA compliant and very tough & durable - good for 300 industrial washings or 1,000 home washings! It is also mildew resistant and helps to prevent your food from going stale!