7 Pack Hanging Wall Planter: Double-layer design where the inner plant pot holds the plant and the outer pot holds the water. A cotton rope connects the two layers and allows water to transfer from the outer water layer to the inner plant layer. The clever design of the indoor garden planter facilitates air circulation while ensuring that the roots of the plants absorb enough water and thrive without being waterlogged. To prevent waterlogging and indoor plant stand, the water level should not exceed the space between the inner layer and the outer layer, 1 cm. About 1 week between water refills. Wall Decor: Raised rim with hanging hole and flat back allow each hanging plant pot to be easily mounted from windows, walls, fences, cabinets, etc. S hooks are included. An indoor triflora hanging planter arrangement is possible by hanging 3 pots vertically or horizontally on a green wall. Made of lightweight and durable PP plastic Plants not included: Ideal for flowers, herbs and specialty