The Wilko Propagator 5 Tray x 6 Cell with Lid is a rectangular plastic seed starting tray designed for growing flowers. This set includes 5 trays with 6 cells each and comes with seeds. The propagator helps in starting seeds indoors, providing a controlled environment for optimal growth before transplanting them into the garden or patio. Its compact design makes it easy to use and store, while the lid helps to maintain the humidity levels needed for successful seed germination.