9" Black Metal Floating Dome Indoor Outdoor Wall Planter 3 Piece Set offers a simple way to add vertical greenery without taking up floor or table space. Each dome planter is made of iron (IRON100%) with a black finish suited for indoor and outdoor conditions, and the three sizes let you layer plantings for more visual interest. Easy to hang with included hardware, these planters are ideal for succulents, herbs or trailing plants and keep displays tidy and accessible.