Self-watering table planter with removable planter liner, water level indicator and plant substrate. LECHUZA planter and plant liner are different in height. Due to this difference, a space is formed inside - a container for water. Drainage holes in the inner pot helps the moisture to flow into the substrate from a water tank. Water level indicator shows when there is enough water, and when it needs to be added. Plant pot with drainage hole can be used indoor and outdoor. Flower pot is made of high-quality shockproof poly-resin with stone effect surface. Resistant to UV rays. Made in Germany of durable frost and UV resistant pp plastic for indoor use Plant pot: Internal measurements shown without the self watering system. Please remember that this will occupy some space inside the unit reducing your overall planting space.