Size
Universal for all instrument sizes.

Interior
Ecological and chemically neutral insulation does not interact with, or in any way harm the finish of instrument. – Closed cells system ensures excellent thermal isolation. – Adjustable padding with extra set of cushions to fit any instrument dimension – Even more space inside: four bow holders, music sheet compartment, accessories pocket, shoulder rest holder

Note
Optional for ultralight: lock latches and subway handle
The weight value is subject to change due to R&D process.