this product is EXCELLENT, it's simply the best market mouse pads; (And I've used !; and thrown a lot!). I use it daily for many hours with my iMac or Mac Mini in the country, and is perfect for use ... it supports the wrist perfectly and comfortably without sticking a large wireless mouse (Microsoft Wireless Laser Foam 6000). Contrary to what some have written, it is perfectly suitable, highly accurate and stable with a laser mouse. I took me in anthracite gray / light gray transparent (to match the Mac keyboard) but there are also blue and black or other colors whimsical ... What is really nice and comfortable, it ' is the support of the wrist, well wide and thick, but thanks to its shape developed its specific material (latex very soft and flexible) does not stick to the wrist, do not heat, do not slip, and with his hospitality tray enough wide, proves to be very convenient and reliable in use ... This is the second I bought because my nephew was cracked on the first and boarded ... This is what is done best in the genre, and I would gladly give it 5 stars if it had cost 5 euros less ... But to believe that this is the price of quality, and here is very reasonable and ... Adverse comments those who returned the product really surprised me, both for use in a year I am satisfied. Perhaps they have forgotten to remove the protective film paper in the product before use, or are they much heavier, big or small as me which could explain the thickness of the door wrist gene ... For me This is great!