Stay protected from the elements with the Peak Design Outdoor Rain Fly 15L-20L. This rain fly is designed to fit and protect backpacks ranging from 15 to 20 liters. Made by Peak Design, this rain protection accessory is perfect for outdoor enthusiasts who need to keep their gear dry during hikes, camping trips, or any other adventure. The durable and lightweight material ensures your backpack stays dry in wet conditions, while the easy attachment system allows for quick and secure installation. Don't let rain spoil your outdoor fun - invest in the Peak Design Outdoor Rain Fly 15L-20L today.