The storage case with portable lanyard design is very convenient to carry, and you can put it in your backpack or suitcase. Smooth zipper allows for easy opening and closing. Featuring shockproof, dustproof, and water-resistant properties, the storage box helps protect your device from bumps, dents, and scratches. Made of high-quality EVA material, the storage box is shockproof, dustproof, and waterproof to protect your mouse from scratches and pressure. The storage bag measures 15.5cm in length, 12cm in width, and 7cm in height. Designed for Logitech M570/MX Ergo Advanced wireless trackball mouse. Item Name: Storage Bag Material: EVA Applicable Model: for Logitech M570/MX Ergo Advanced Size Details: Size: 15.5cm x 12cm x 7cm / 6.11" x 4.73" x 2.76" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension differences due to manual measurement. Package Includes: 1 x Storage Bag (Mouse Not Included)