72 Cell tray inserts are a great choice for starting seeds indoors such as peppers, tomatoes, cucumbers, squash, sunflowers, eggplant, melons and other seedlings that need a little more room to get started. These seed cell trays are an ideal choice for those that bottom water. Our cells reach all the way to the bottom of a standard 1020 flat. Our seed growing trays come with a minimum 1 year warranty. All of Bootstrap Farmer's seed trays where designed by growers for growers. In order to have a profitable growing business we had to stop spending our time and money replacing seed trays every season. Bootstrap Farmer's trays are built to last a lifetime saving you the headache of broken and flimsy trays, keeping more money in your pocket.