A great product, typical good razer quality. I personally didn't experience any waviness or warping, it laid flat right off from the start. As for the RGB, it is bright, looks good, works very well with other razer products.Pro:- it's very large, big enough for a full size keyboard and mouse, with more room to spare.- RBG is good quality and very smooth- the mat is soft and overall a decent padCon:- the RGB is not addressable, so you can't have a half green/red pad. It's all one color all the tiSee full review