A):the mouse pad was made of Rubber , it is Flexible , so the size will be affected by the Outside temperature and environment , the deviation of 1-1.5 cm is normal

B) : it is cloth surface , it is too hard to print all over the coutry cleraly like the world map on cloth surface , so a little country will simplify

C): about the RGB version , the main Light source was near the left side , the brightness will be weaken as it moves away from the light source ,so the left side is a bit more brighter than the right side

1: Designed by gamers, great to use for gaming/office work

2: The RGB Version Thickness = 4 mm

3: Color = Black WORLD MAP

4: Supports full-sized keyboard with more than enough room for mouse, keyboard

5: Low Friction: Smooth Surface For SPEED Anti-slip Rubber base

6 : Optimized for various mouse sensors and sensitivities 89.5 x 40 cm