These paint roller pens are an ingenious answer to the problem of scratches scuffs and marks on your walls and whats more when you buy these two youll save 5 instead of having to locate the old paint can and get a paintbrush dirty simply roll over the offending spot with this rolling paint pen the air tight mini roller stores the left over paint after youve finished decorating a room ready for quick mess free touch ups in the months or years to come