you would be surprised how durable artist grade acrylic is. I have jeans that I've been wiping brushes on for 10 years and every mark looks the same as the day it was laid down. They have been worn and washed hundreds of times.
This is the most useless tool I have seen in a long time. Completely impractical. Funny how the best tool for spooning sugar or salt into the smaller spaces would be A FREAKING MEASURING SPOON.