This ecoFLEX Rectangular Window Planter is perfect for flowers-plants-herbs. Can be painted for a custom look. These attractive, durable window boxes are also eco-friendly. Easily assembled in 5 minutes or less and no tools are required. Made of ecoFLEX material. ecoFLEX is a proprietary formula that incorporates reclaimed wood and plastic into the material that allows the product to be eco-friendly and a great value as it will outlast most other products. ecoFLEX is 100% non toxic and does not absorb moisture. There is nothing in ecoFLEX that could harm your garden or animals. Resistant to warping, twisting and fading. 10 year limited manufacturer''s warranty.