Worth Garden 3-Pack Olive Green Self-Watering Vertical Garden Wall Planters Each set comes with a combination of 3 inner baskets and 3 outer shell pockets provide a smooth self-watering and air flow platform that induces healthy plant growth Materials are strong and light make hanging easy Planters have 3 openings for nails or screws make easy installing Glossy and matte olive green color mix gives the planters a modern and refreshing look They are suitable for both indoor and outdoor growth