The SKB 1SKB-SCPS1 Rolling Powered Speaker Case (Black) is made to carry various brand powered mixers, such as JBL EON 15 series or Mackie SRM450. The case is made from a rigid plastic core that is covered by a rugged 600 denier exterior for protection to the knobs and delicate controls. The interior of the bag is padded to protect the mixer. There is an indestructible injection molded pull out handle, lifting handles and dual wheels for easy transport.