Injection Molded 2U Studio Flyer Rack Case Introducing the world's first injection molded waterproof carry-on studio rack case. The 1SKB-iSF2U Studio Flyer is a powerhouse of innovative features packed into a compact, convenient carry-on size. Boasting a virtually indestructible injection molded shell that is both lighter, stronger, and less expensive than the previous 2U Studio Flyer, the 1SKB-iSF2U also features front and rear molded-in square rack rails pre-installed with cage nuts for an extra element of security and durability for sensitive equipment on the go. Improved quiet-glide wheels, an easy-to-operate pull handle, and an unbeatable Lifetime Warranty all help to create the ultimate transport solution for studio gear today.