Grodan A-OK 36/40 1.5 in x 1.5 in Plugs (98/Sheet) (30 Sheets/Cs)A-OK Starter Plugs™ for starting seeds and rooting of cuttings prior to plugging into the larger Gro-Blocks. A-OK Starter Plugs™ come labeled with instructions in a shrink-wrapped sheet that fits a standard 10 x 20 tray (flat). Note: Item #713020 is supplied without shrink wr100