About this item:High-Quality Material: This mouse pad is mainly made of natural rubber,soft and elastic,with a fine and smooth surface,suitable for most optical mice.Warm reminder:Our mouse pad itself has a bit of a rubbery smell.This is a normal smell.Just put it in a ventilated place for a while after receiving it.Normally,you can't smell it unless it's close to your nose.Extra Large Mouse Pad: Our thickened and widened keyboard pad measures 900x400x3mm and uses high-precision printing technology to make the shortcut key pattern very crisp and clear.The extra-large size makes it easy to quickly view shortcut keys and gives you plenty of room to use the keyboard efficiently,so you can type and game faster and more comfortably than ever before.Precis.