This hard carrying traveling case is deigned for Kensington TB450 Wireless Trackball Mouse (K72194WW) High Quality Material: The storage case is made of high quality EVA material, very durable and sturdy, shockproof and waterproof. Ensure a secure & long-lasting usage everyday Function: Storage & Protective. Preventing any damages or scratches caused by accidentally. Protect the device in good condition when go out. Making your journey and traveling more convenient wherever you go Unique Design: Compact and lightweight, double zippers design. Built-in with specially mesh pocket for other accessories storage. Easy to carry and keep Case Size: 6.5*5.1*3.3 inches. Case Only (Devices and accessories are not included)