Compatible Models: FOR MX Master4, for MX Master3s Color: Black for exterior with gray interior Packaging method: opp bag Product size: Approximately 15cm x 11cm x 6cm (5.9" x 4.3" x 2.4") Material: Premium Quality Nylon Fabric + High-Density EVA + Soft Inner Lining Description 1. Precision Engineered Fit: This custom-designed storage case is perfectly suited for your **FOR MX Master 4 and for MX Master 3s mice**. It provides a secure and snug fit, cradling your device in a protective . The construction combines **high-grade nylon fabric, high-density EVA, and a soft inner lining** for a comprehensive defense. 2. Impact Resistance: Experience peace of mind with the case's **exceptional EVA hardness rating of 75 degrees (super hard)**. This advanced design offers superior compression and impact resistance, expertly safeguarding your valuable mouse from accidental drops, bumps, and external pressures during travel or storage. 3. Enhanced for Exterior Protection: The carefully selected for exterior fabric boasts **wear-resistant, dirt-resistant, dust-proof, and moisture-proof qualities**. This comprehensive shielding keeps your device safe from daily grime and , ensuring your for MX Master mouse remains in pristine condition. 4. Smooth and Secure Access: Equipped with a **precision-engineered, smooth-glide zipper**, this carrying case allows for effortless opening and closing. The quality zipper head ensures a reliable and snag-free experience, providing secure containment for your mouse while offering quick access when needed. 5. Lightweight and Portable: Designed for convenience, this compact and lightweight case weighs only **50g**. Its optimal dimensions (approx. 15cm x 11cm x 6cm / 5.9" x 4.3" x 2.4") make it easy to slip into backpacks, briefcases, or luggage, providing robust protection without adding unnecessary bulk to your gear.