teenage engineering duty medium bag, custom made to fit the OP–Z portable sequencer and synthesizer. heavy duty – an expandable and durable bag with a front pocket to fit your OP–Z, or open it up to use it as a larger bag that can also fit accessories like cables, modules, pocket operators or M-1 headphones. dimensions: 24.5 x 8 x 1 cm / 9.64"" x 3.15"" x 0.39"" quality material – made from durable polyester ripstop with tpu coating, it's tear-resistant and water-repellent. closure fastened with velcro and handle made from recycled polyester webbing.