I ordered this one from Amazon and I love it, it's a hard shell case and I love it.
https://www.amazon.com/mCover-Huawei-MateBook-Laptop-HW-MateBook-XPro14/dp/B07NQ6PQQ3/ref=sr_1_1?keywords=matebook+pro+hard+case&qid=1555639183&s=gateway&sr=8-1