This is an Black 20 to 35-liter adjustable backpack rain cover. Made of 500D PVC material that is hardwearing, flexible, and water-resistant. This backpack rain cover will keep your pack dry in unexpected weather such as rain. Simply place this cover over your backpack to keep your pack dry. There is an elastic band that holds it firmly in place and keeps it from slipping off of of your pack. Feel secure and confident that this rain cover will keep your personal belongings protected from rain, fog, snow, dirt and sand. This backpack rain cover is an excellent choice for all outdoor activities such as camping, hiking, traveling, fishing, backpacking, trekking and many more outdoor activities. No matter what youâ€™re doing it ensures you will be prepared for your next adventure!