Grodan A-OK Starter Plug, 36/40, 1.5 inch plugs, each sheet shrink wrapped (98 plugs/Sheet) (30 Sheets/Cs)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