Update on Zowie G-SR: It never got flat, tried the iron, the text book, leaving it backrolled in the box, and still nothing, Had to change to my old mouse pad HyperX :
P-SR Small Gaming Mouse Pad for Esports Control | ZOWIE US
Amazon.com: BenQ Zowie P-SR Gaming Mousepad for Esports I Cloth Surface I Stitched Edges I Small Size : Office Products
Mousepad gaming Zowie P-SR - eMAG.ro
Zowie G-SR Mouse Pad Large Professional 5J.N0241.001 by BenQ - Darer