This travel bag is designed to fit snug into the Sport X300 carrier, expanding into a taut 13 cubic foot of storage space. The bag is constructed of durable 600 D weather resistant material with a series of straps and buckles that securely fasten the bag and contents into place. Easy to assemble frame slides into the bag keeping it taut even when empty. When not in use the bag collapses for convenient storage. It comes with a rain cover that quickly slides and snaps into place over the top of the bag. This bag is the perfect companion for your sporting gear, camping equipment, and luggage. 52" x 24" x 18".