Haxnicks Rootrainers produce deeper, faster, straighter fibrous roots through air-pruning resulting in superior plants with NO root disturbance or worry of potbound. Especially good for all beans, corn, strawberries, tomatoes but will work with all seeds. 32 reusable cells, 5"deep, which can be used time and time again. Cells open like a book for easy transplanting without root disturbance. Comes with holding tray and lid. For nearly 20 years, the Haxnicks company has been designing and manufacturing innovative garden care and plant protection products for their customers in England. Tierra Garden is proud to offer this distinctive line in the United States.