1.Springtime in a Box: You will get 4 pack railing planters with coco coir liners and 16 pcs zip ties, each spacious 16inch box provides ample planting room, which allows you to grow a variety of flowers and herbs to create beautiful decorations, elevating your home's curb appeal and infusing it with a warm, inviting atmosphere that brings joy to every passerby 2.Sturdy and Longlasting: The window boxes planter frames are made of heavy duty steel, robust construction and precise welding to hold on tight to the railing and effortlessly support the weight of the soil, flowers; The frame and screws surface has black powdercoated finish to resist rust and corrosion, so it can withstand any different weathers and stand the test of time 3.Easy to Assemble: Experience the convenience of hassle installation with our deck railing planter; All the parts necessary are included to attach them to window sill, deck or balcony railing and without complicated steps; The hanging brackets can be set up to accommodate a versatile range of railing widths, from 2 to 7 inches, ensuring a secure fit wherever install them 4.Matching Planting Medium: The included horse trough coconut liner helps to hold moisture, provides good breathability and drainage, it contains some nutrients to promote y plant growth while adding natural aesthetics; The railing planter box material is thick to holds soil beautifully, preventing spills and maintaining a pristine appearance