【Ideal Size】: Perfectly sized at 91 x 20 x 23 cm, these wall troughs are a great fit for any balcony, terrace, or garden fence 【Durable Material】: Constructed from steel with black powder coating for longevity, and coco liners for natural and balanced plant growth 【Hydrophobic Liner】: The coco liner keeps plant moisture but does not stuff roots, reducing the need for frequent watering and allowing for better air circulation 【Space-saving Design】: Space-saving, wall-mounted design, great for adding greenery under windows or on balconies without taking up floor space 【Includes】: Comes in a set of two black wall troughs for you to create a beautiful display with your favorite flowers or plants