China Marker/Grease Pencil - Set of 2 Black, 2 White (total 4 count)
Awesome tool for labeling your plant pots, containers. Washes off easily with dishwashing detergent, bleach, & "Magic Eraser".  Both colors available for dark or light colored containers. Save a little money as you don't need to buy or deal with messy tape products anymore! Use a little "elbow grease" to scrub off when cleaning pots.