Description: Self Watering Feature: Coming with a cotton rope insert for the plants to rest in with the soil, these plant pots are like no other as they automatically water the plants for you! The soil will never dry out as the water can be soaked up and released by the cotton rope. The plants can automatically and naturally suck up the moisture and nutrients they need, so you don?t have to worry about them. Sustainable Cotton Rope: The cotton rope inserts of these plant pots are to both humans and plants, meaning your plants are being stored in a very healthy environment. It is also heat and cold resistant showing off the durability of these plant pots, suitable for both indoor and outdoor plants! Indoor & Outdoor Decor Pieces: You can place these plant pots inside to display smaller indoor plants or you can keep them outside in the garden or on the porch to display larger plants, the choice is yours and the self-watering system will work wherever you choose. Material: Plastic. Size Chart: Square S: 12.5x11cm/4.92x4.33inch Square M: 14x13cm/5.51x5.12inch Package Includes: 2 Piece Self Watering Plant Pot Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!