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 :
Alfombrilla Ratón ZOWIE G-SR SE DIVINA ROSA – Addice Inc
Alfombrilla grande de ratón para juegos G-SR II con control para e-sports | ZOWIE EU | ZOWIE España