The Gator Cases GR-RACKBAG Series rolling rack bags are manufactured to protect and be lightweight enough to wheel around town! The GR-RACKBAG series rack bag is made with an internal reinforced aluminum valance and a reinforced polyethylene interior frame covered in a padded 600 Denier nylon; these cases will protect your mountable FX processors, bass or guitar amp heads, compressors, EQs, or any other gear from the damage and destruction that can occur in between gigs! The GR-RACKBAG-4UW features a retractable tow handle and in-line wheels for smooth rolling from gig to gig. The heavy duty shoulder strap and the reinforced padded carry handles on the GR-RACKBAG also allows for easy toting. The Gator Cases GR-RACKBAG series lightweight rolling rack bags have a 12.5 rack-able depth and is designed to hold shallow mounted gear. Access to gear is quick and easy with the zip flap on the front and rear of the bag. The Gator Cases GR-RACKBAG series rolling rack bag features a generously large accessory pocket for storage. The GR-RACKBAG-4UW internal usable dimensions are Length 12.5 X Width 19 X Height 9. The Gator GR-RACKBAG Series rolling rack bags are available in 2U, and 3U rolling rack sizes. The GR-RACKBAG series rack bags were designed to provide solid protection at an inexpensive price. Gator Cases understands that your gear is important and needs to be protected. This is why our designers designed these lightweight rack bags to withstand impacts but also lightweight for easy transport. The front and rear rack rails are also designed to be easily replaceable and support your gear with ease! Gator Cases is known for manufacturing innovative products designed to protect! We offer a wide range of available sizes, materials, and protection levels, for all types of instruments and gear including Frameworks stands, Rackworks install racks and accessories, and Protechtor drum cases. It isnt hard to find a great reason why Gator should be the brand you trust to protect your equipment for life!