The Protection Racket Series of Cymbal Bags are a semi-rigid bag that are made with 600 denier polyester. They also feature Internal dividers in both compartments. The rigid handles are also lined with soft neoprene for carrying comfort. The zippers are a heavy-duty nylon spiral chain that is indestructible plus water and rot proof. The stitching thread that holds it all together is bonded nylon that will not deteriorate.