Specially designed for logitech MX Vertical advanced ergonomic mouse shell mold customization, perfect storage design Hard EVA material, semi-waterproof, shockproof, durable, protect your mouse from impact and friction. The hard case of this mouse is light and compact, can be installed in your backpack, carry-on or luggage, improve travel protection. Exquisite design: stable hand strap portability, smooth and sturdy 360 degree zipper, easy to open and close. The design of superfiber liner fits the protective equipment perfectly