[DOUBLE-LAYER STRUCTURE]This plant pot with a double layer design, body and bottom base could be separated. The plant pot's main part has several drainage holes at the bottom, you could easily know about the absorption of plant . [SELF-WATERING FEATURE]The main body with a bottom base creates a water reservoir, which could prevent over watering and insufficient irrigation. It also keeps plants healthy by supplying constant moisture and preventing nutrients loss. [Durable Use]The weather-proof and ultra-tough construction allow you to enjoy your window box all year long. Perfect for first-time , frequent travelers or plants growing in dry conditions. Also a great and practical plant lover! WIDELY USED: These window planter boxes are widely used in windowsill, patio, garden, porch or other indoor outdoor occasions. They are the to plant miniature roses, tulip, carnation or other flowers, vegetables, fruits. Colour: black Material: plastic Size: length 50cm x width 19cm x height 15cm Package Contents: 2 * Flower Window Boxes Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.