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 :
BenQ ZOWIE G-SR-SE Rouge Gaming Mouse Pad for Esports : Buy Online at Best Price in KSA - Souq is now Amazon.sa: Electronics
Benq Zowie XL2540 and Zowie EC2-A/MousePad G-SR (TEST) - YouTube
G-SR-SE ROUGE Large Gaming Mouse Pad for Esports | ZOWIE US
Amazon.com: BenQ Zowie G-SR Gaming Mousepad for Esports I Cloth Surface I Stitched Edges I Large Size : Office Products
BenQ Zowie G-SR-SE Mouse Pad Large 470x390x3.5mm Profesional - ReBoxed Romania
G-SR II Large Gaming Mouse Pad for Esports Control | ZOWIE EU | ZOWIE Europe