I recently bought this Surface Book UAG Cover and it fits

Urban Armor Gear products reflect the independent spirit of its designers and represent a dedication to superior quality and craftsmanship. Engineered for the Microsoft Surface Pro, the cases combine light-weight materials in a rugged, low-profile design to provide maximum protection for your Surface Pro. The Metropolis Series case features a built-in aluminum kickstand with angular positions and built-in Surface Pen storage.

Urban Armor Gear UAG Case for Microsoft Surface Pro 4 - Black

Plasma Series sports a visually striking translucent design. Featuring a featherlight impact resistant construction, secure closure, and non slip tactile grip. Perfect lightweight protection for active individuals. Surface Pen storage. Cooling vents at bottom for uncompromised air flow. Metal & Alcantara Keyboard compatible.

UAG Plasma Series Microsoft Surface Laptop 5/4/3 13.5 Case (333253114343)

Shop Uag Surface Book 2 [13.5-Inch Screen] Fe – Luggage Factory

surface pro 2017 and surface duo : r/Surface

Shop Uag Surface Book 2 [13.5-Inch Screen] Fe – Luggage Factory

Urban Armor Gear Plasma Case for Microsoft Surface Pro (Ice)

Surface Book 2 15 Protective Case - Microsoft Community

COMPATIBLE MODEL: This is ONLY compatible with 12.4-inch screen Microsoft Surface Laptop Go 3, Surface Laptop Go 2, and Laptop Go. This is NOT

UAG Designed for Microsoft Surface Laptop Go 3 / Laptop Go 2 / Laptop Go Case 12.4 Plyo Feather-Light Translucent Rugged Military Drop Tested Laptop

Armorsuit MilitaryShield Vinyl Skin Wrap Film for Lenovo ThinkPad Z16