SunPack Mega Square 6 Cell Insert
SunPack Mega Square 6-Cell Inserts are made with premium food-grade plastic. Their sturdy design means you can use them for multiple seasons. 12 of these inserts will fit a standard 10-inch by 20-inch seed starting tray. The side slots allow for proper draining and root pruning reducing the risk of damping off and ensuring your plants are strong and sturdy when it's time to plant.