Feature:1. Hard EVA material, shockproof, dustproof and waterproof.2. Shockproof with foam, protect your favorite device from bumps and scratches.3. Lightweight and compact, suitable for travel carry.4. Portable belt and smooth zipper for easy opening and closing.5. Replacement for Logitech MX ERGO advanced cordless trackball gaming mouse.Specification:The hard bag is dustproof, waterproof and shockproof to protect your mouse from impact and friction at travel. It is replacement for Logitech MX ERGO advanced cordless trackball gaming mouse.Features:Hard EVA material, shockproof, dustproof and waterproof.Shockproof with foam, protect your favorite device from bumps and scratches.Lightweight and compact, suitable for travel carry.Portable belt and smooth zipper for easy opening and closing.Replacement for Logitech MX ERGO advanced cordless trackball gaming mouse.Specifications:Material: EVAColor: Inner: Grey Outside: BlackItem Size: 150 x 125 x 65mm or 5.91 x 4.92 x 2.56inPackage Weight: 76.5g or 2.7ouncesPackage Size: 150 x 125 x 65mm or 5.91 x 4.92 x 2.56inNote:Only a hard bag, the mouse in not included.Package List:1 x Mouse BagPackage List:1 x Mouse Bag