Hei pots are ceramic self watering pots for herbs and plants. The water is drawn from the water tank using wick. This way the plant will absorb what it needs. Refill the tank through the watering hole.
The two friends adds character to your windowsill and takes care of your plants at the same time. Extra space in the pot forces you to replant the plant and add more soil. This way your plants will live longer and produce more herbs.