Self-Watering System: This self-watering window sill planter is designed in a double layer. This herb pot can store excess water keep it clean. The watering cord absorbs stores water to ensure healthy plant growth. The water is separated from the inside absorbed only by the watering cord. A small opening on the outside of the pot allows you to add water. High Quality: The self-watering flower pot its inner basket are made of high-quality plastic, which is heat cold resistant. Their strength sturdiness ensure safety durability. The upper lower layers can be separated for refilling. Water can be stored for 7 to 15 days. Even if you leave the plant outside for a few days, you don't have to worry about it drying out. Water Level Indicator: Thanks to its transparent design, the water level is visible at a glance. You can always know how much water is left in the pot whether you need to add more, which is very convenient. Size Quantity: 1 set, herb pot depth: 11 cm, flower pot mouth diameter: 15.3 cm, total height: 18.2 cm, flower pot base diameter: 11 cm. Use: You can place different herbs in the kitchen, such as basil, parsley, chives, etc. Its round, modern unique design, as well as high-quality decorative materials, make it the ideal decoration for the kitchen.