There?s no need for cumbersome seed trays to be left balancing on your windowsill. This clever windowsill propagator kit is just the right size for growing your own flowers and vegetable seedlings indoors. Each set is supplied as two coir 8 cell trays (16 cells in total), a plastic drip tray for catching irrigation water, and a clear plastic lid to keep your seedlings snug and warm. These narrow propagators will fit perfectly on any windowsill, making seed sowing that little bit easier. The individual cells are perfect for sowing larger seeds such as pumpkins, tomatoes, sunflowers, calendula, marigolds and so many more! Each cell is 5cm by 5cm, at 6cm depth.