【Perfect Fit for Logitech MX Master Series】Custom-designed to accommodate Logitech MX Master 4, MX Master 3S for Mac, and MX Master 3, protecting your mouse from scratches and damage during daily commutes or business trips. 【Thoughtful Interior Design】Features a molded interior with bubble padding, precisely fitting the Logitech MX Master series. Protective foam cushioning supports every part of the mouse, safeguarding the scroll wheel, buttons, and body from impacts. 【Durable Exterior】Constructed with high-quality, robust materials that withstand daily use. The scratch-resistant, tear-proof, and wear-resistant exterior combined with interior foam padding creates a strong defense system for your Logitech MX Master wireless mouse. 【Travel-Friendly】Equipped with a convenient carabiner for easy attachment to laptops, backpacks, or keychains. Protects your Logitech MX Master mouse from bumps, drops, and dust, ensuring it stays in pristine condition while keeping it organized. 【Ideal Gift】This hard shell protective case for Bluetooth mice is perfect for office, business, and travel use. It makes an excellent gift for friends and family on various occasions such as Christmas, birthdays, Thanksgiving, Valentine's Day, Father's Day, and Mother's Day. Specifications: Dimensions: 15 x 11.5 x 6 cm Material: Nylon + TPU Weight: 75g (including PE bag packaging) Compatibility: Logitech MX Master 4, MX Master 3S for Mac, MX Master 3, and Master 2 wireless mice