Please Note: Not for MX Master3S. Compact Fit: A mouse case designed specifically For MX Master 3/2S/G502 wireless mouse. There is a space at the bottom of the case for storing USB accessories. High quality material: Made of high quality EVA material, shockproof, dustproof, waterproof, shock absorbing, protects the device from dust, bumps, drops, collisions and scratches. Easy to Carry: With hand strap, portable and lightweight, it can be put into handbag, backpack, suitcase or laptop bag without adding any extra weight. Convenient design: the mouse case is convenient for your daily use and traveling. Prevent damage caused by accidental collision, dropping, fix the device while traveling or outdoor.