Self-watering flower pots with deep reservoir: 17 cm flower pots allow a separate reservoir and potting soil that lifts the soil and plants above the water. Hollow reservoir of pots to prevent fragile roots and roots from being constantly flooded. The downward expansion space in the center of the bottom allows the soil to contact the water in the reservoir and deliver water directly to the plant roots. Allows the plant to drink at its own pace. Excellent drainage design: These flower pots were designed with versatile drainage holes similar to a mesh strip, the arrangement of drainage holes at the bottom ensures absolute drainage and guarantees that there will be no blockages. Creates a healthy environment for your plants, minimizing the risk of root rot. Both a saucer and a reservoir: The first step to self-watering is to have a reservoir. Our ingenious design allows the tray and the body of the planter to be closely connected, transforming the tray into a water reservoir. When you pick up the flower pot, it will not fall even if there is water in the tray. When you pour too much water, the water will flow out of the watering rim on the side to prevent plants from being flooded Practical 3-piece pot set: This set includes 3 pieces, 20, 3 cm in diameter each. The pots are light and easy to handle. Indoor and outdoor pot sizes fit almost all small and medium sized houseplants and spice plants. Works well with orchids, cacti, succulents, aloe vera, basil, flowers, peace lilies, air plants, snake plants.