Drying Mat Left Stain on Kitchen Counter?
The marks are from the dyes in the towel. You may want to try scrubbing the area with a moist sponge and baking soda. Then, if there are any marks left, bleach area and let set. Depending on the dye, it should come up.
Selling Pop Tabs in Cape Town?
You may want to look into listing it on the website www.etsy.com . It is a website dedicated to crafters.