Burpee seed-starting kit designed to grow bigger and better seedlings every time-we it. Developed and tested by Burpee's experts, this all-in-one self-watering kit promotes healthier root development and minimizes overwatering, giving you healthier, hardier plants. Each cell measures approximately 1. 5" (w) by 1. 5" (l) and 2"(h), is perfect for starting any herb, flower or vegetable.