black square planter box indoor outdoor flower and tree cube planting pot 16" x 16" - fiberstone pottery pots <p>this fiberstone square matte cube is the second smallest in the cube collection of four sizes. this planter has just the right amount of detail to not overwhelm your bright flowers or green shrubbery. tough, lightweight, stable & robust, can withstand the elements outdoors. waterproof and frost resistance. for both indoor and outdoor use. drainage holes should be drilled when used outdoors. neutral color makes it easy to combine with other shapes and sizes in different materials. clean occasionally with damp cotton cloth.<br></p>