The Gator GCAGE-10L 10U Gator Cage is designed as an extra-deep replacement lid for the front and rear of the Gator GR-10L Standard Equipment Rack Case. It adds 5" of extra storage space and features a zippered mesh pocket to keep cables and accessories organized. Built from the same durable, military-grade Polyethylene as the GR-10L case, it also includes locking latches for secure closure