Durable 6 cell tray inserts from our friends at Bootstrap Farmer. Built to last and made with heavy-duty polypropylene plastic, these are made to use again and again. Equipped with large 5/8” drainage holes for easy removal of seedlings and less transplant shock. Designed with Air Prue technology air channels on each side to prevent root circling and support healthy, vigorous roots. Fit 12 inserts per 1020 Bootstrap Farmer tray. Made in the USA.