The window box planter is made of high quality ABS plastic, it is strong and light weight, durable for indoor or outdoor use Outer size: 12" x 3.7" x 4.2"(L×W×H), perfect for narrow space like windowsill, mantel, top of fence, partition wall Two drain holes and a detachable tray at bottom to hold the overflow after watering, let the root grow healthy; you can easily take down the tray for cleaning The plain white planter looks simple and fashion, will easily blend in your living room, porch, patio, garden, balcony, deck or office desk Great for planting succulents, cacti, herbs, flowers, grass or green onions, mint and basil (Including labels for you to mark the plant names of each planter) The window box planter is made of high quality resin, designed with 2 drain holes and a detachable tray at bottom to hold the overflow after watering. Great to plant succulents, cacti, grass, flowers or green onions, mint and basil in it, then place in narrow space like windowsill, floating shelf, top of partition wall or mantel, bring the nature style inside your house.