Abrasive SpongeBob | SpongeBob Galaxy Wiki | Fandom
DecorRack 56 Cleaning Scrub Sponges for Kitchen, Dishes, Bathroom, Car Wash, One Scouring Scrubbing One Absorbent Side, Abrasive Scrubber Sponge Dish Pads, Heavy Duty, Green Yellow (Pack of 56) : Amazon.co.uk: Grocery
Don't use the abrasive side of a sponge on Waifu Cups : r/gamersupps