pots can be reusable for several seasons with black sturdy plastic. The pots are thick enough to transplant plants without disturbing the planting medium. A square shape design is easy to arrange in a compact space Features ample drainage on the bottom for optimal moisture management and air movement. The grate-style drainage can prevent large particle soils from falling out and avoid the loss of potting soil The small square pot containers are excellent for starting seed before moving to larger pots. Also those planters can be stackable to save room for storage convenience Perfect for repotting, starting seeds, transplant plant, root cutting, plant seeds, herb seeds, succulents, cacti Package includes 60pcs black small square plastic plant pots, both available for indoor and outdoor application. Pot size in 3.90W x 3.30H, ** no saucers included ** Considering the pot is made of plastic material, please keep out of direct strong sunlight for longer service life