Double Function of Modern Cool Planters, Creative Planters Ideas. If you like with pet such as cats and birds and the like with small plants such as plants in pots. This planters really suitable for you. This planters with double functions. As planter and pet house, cat house and bird house. Outdoor planters and as outdoor bird house. Indoor planters as as cat house. You can add this double function planters to some of your rooms or a balcony or other rooms.