Material: This Keyboard Case is made of nylon with a felt lining and a waterproof PU coated zipper, providing all around protection for your portable keyboard against dust, water, scratches, and impactsThoughtful Design: The Keyboard Bag features an internal mesh pocket that can store mice, cables, and other small items. The felt with a hook fastener covers the foldable keyboard to reduce shaking and prevent collisions and friction with other accessoriesPortable for Travel: Compact and lightweight, this foldable keyboard storage box can easily fit into briefcases, backpacks or other bags without taking up too much space. The comfortable hand strap makes it easy to carry around - suitable for travelSize: Keyboard Storage Bag dimensions are8.86inchx5.24inchx1.38inch making it a good size for most portable keyboardsPackage Includes: Each package contains a foldable keyboard travel protective case Specification: 22.5cmx13.3cmx3.5cm/8.86inchx5.24inchx1.38inch Package Includes: 1Keyboard Case Note: Please allow slightly errors 1-2cm differences due to manual measurement.