All Out of the Woods bags feature Washable Paper which is sustainable, washable and vegan. Washable Paper is FSC®-certified (FSC® C153080) made of tree cellulose, a renewable resource, from responsibly managed forests. This mini take on a classic cooler has a water-resistant Washable Paper exterior. With quality finishing and extra-thick lining to maximize cool time, this mini take on a classic cooler is perfect for school, the office, or a road trip.