Thule 688B Atlantis 2100 Rooftop Cargo Box (Black) Solid ABS Construction - Installs in seconds with Quick Grip Mounting hardware Access Gear from eith side of car using Dual Side opening feature Mounts to most removable and factory installed racks - consult fit guide for details 21 cubic foot capacity - 92.5" long by 36" wide by 18" high Large capacity box great for teams, clubs, family use