The 1SKB-R5220W Roto Molded Keyboard Cases feature a molded-in unbreakable carrying handle, end handle, and an integrated valance design which incorporates a new patented trigger release latching system. These indestructible latches are injection molded from fiberglass reinforced nylon, are easy to operate and survive the rigors and abuse of the road. Each case has roller blade style wheels for easy transport. With the adjustable corner cleat system keyboardists can easily position the cleats to accommodate a variety of different keyboards. Foam in the lid keeps the keyboard snug in the case