Shower with it.
Get it nice and soapy and give it a good manly rub while dripping wet.
Yes they wash fine, cold wash only non bio detergent otherwise it will fade the black drip dry without pegs or it leaves marks
been doing it with all my mouse pads over the years and they seem to last a good 10 washes before you see any signs of wear.
https://forums.overclockers.co.uk/showthread.php?t=18167312&highlight=washing+username_bigjimmyauk
Awesome sauce, thanks for that![]()