1. Because it is a manual measurement, please allow for small error 2.All the digital images we display have the most accurate color possible, however due to differences in computer monitors, we cannot be responsible for variations in color between the actual product and your screen.3.for the convenience of logistics and transportation, the mat will be folded and shipped. When you receive it, there may be creases. After 5-7 hours, the crease will disappear,Please feel free to buy.