Darkglass MICROTUBES 900 Gig BagProtect Your Darkglass Amp Head The Darkglass Electronics Microtubes 900 Bass Amp Head Bag is the ideal way to transport your amp while protecting it from the perils of life on the road. It is constructed from padded nylon that is conveniently waterproof. And there are multiple pockets and accessory pouches to ensure you always have an extra set of strings, cables, and other necessities close by. Darkglass Electronics Microtubes 900 Bass Amp Head Bag