DECK RAIL PLANTER COLLECTION by Bloem: This planter is great for home or apartment use and helps you make the most of your porch or patio living space. Grow a mini garden in an elevated space. Compression design ensures a secure fit on either a 4in or 6in wide rail. Planter was designed to maximize inside growing space and features a tiered bottom design allowing dirt and roots to grow strong and deep. The planter feature a smooth texture with matte finish. Made of durable resin, this planter by BLOEM is 100-percent UV stable to prevent fading and cracking and ensures long-lasting use. BPA free. Includes optional punch out holes for drainage.