Inateck 12.3 Inch Sleeve Compatible Microsoft New Surface Pro 2018, Surface Pro 6/5/4/3 Sleeve Carrying Case Laptop Tablet Bag Briefcase - Dark Gray Internal dimensions: 12.4&quot; x 7.9&quot;- 31.5 x 20 cm; External dimensions: 12.6&quot; x 9&quot; - 32 x 22.86 cm. Great compatibility with New Surface Pro 2018(Surface Pro 6) , Surface Pro 5/4/3/2/1. With five layers materials, this briefcase is durable and degradable against bumps or shocks. Ultra-soft flannelette inner lining closely provides your laptop 360 degrees of protection. The woven exterior utilizes liquid proof 600D wear-resistant polyester fabric to protect your device against accidental spills. One more external smaller compartment for the magazines, books, power adapter, etc. ; portable and easy to fetch out with the steady locking zippers. Dual zippers for laptop compartment allows a smooth opening and more convenient using experience.