500 Jiffy 7 Peat Pellets 36mm - Seeds Starting - Jiffy Peat Pellet Helps to Avoid Root Shock - 500 Jiffy Peat Pellets 36mm 500 Pellets - ready and easy to use Minimizes transplant shock and root damage No soil reqired Just add water and pellet will expand Pellet size 36mm (1.50in x 1.50in)