Razer Sphex v2 (mine is a mini version) (yes i know it's a brick). i think it's a pretty good mousepad and from what i have heard it fits the desciption of
AliExpress
Thinnest Hard Gaming Mouse Mat – Razer Sphex V3
Amazon.com: Razer Sphex V2 Gaming Mouse Pad: Ultra-Thin Form Factor - Optimized Gaming Surface - Polycarbonate Finish : Video Games