What material is the surface of the keyboard made from?

The keyboard is covered with luxurious Alcantara material.

Is the Microsoft Surface Pro Keyboard compatible with Surface Pro 8?

Yes, the Microsoft Surface Pro Keyboard is designed to pair with Surface Pro (11th Edition), Surface Pro 9, and Surface Pro 8.

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Microsoft Surface Pro Keyboard with Pen Storage, Compatible with Copilot+ (11th Edition), Surface 9 and 8, Alcantara Material, Platinum

Instant Copilot. Unlock new possibilities with the dedicated Copilot key, which gives you instant access to experiences that can enhance your productivity¹.
Enhance your experience With the new microphone mute key and snipping key
Full keyboard experience. Features a full mechanical keyset, backlit keys, and a large trackpad for precise navigation and control. Optimal key spacing allows fast, fluid typing.
Slim and compact Performs like a traditional, full-size keyboard.
Clicks in place instantly Use in combination with the Surface Pro (11th Edition), Pro 9 and Pro 8* kickstand for a perfect laptop experience anywhere.
Protective and power saving. Close to protect the screen and conserve battery, or fold back completely for a take-anywhere tablet.
Enhanced magnetic stability. Adjusts to almost any angle.