10 Plastic Seed Starting Trays - Each Tray Has 18 Cells ~ Cells Are 3 Inch Square At the Top and 3 Inch Deep ~ CAN Be Separated Into 18 Separate Pots IF YOU TRY TO CARRY THIS TRAY ON ITS OWN THE POTS WILL FALL APART. This tray is not made to be carried on its own. Its purpose is to hold the pots together in a 1020 tray. Quantity : 18 cells per tray ~ 10 trays ~ you can separate each cell into 18 pots. Cell Dimention : 3 Inch square At the Top and 3 Inch Deep This Tray Is Made To Fit a Standard 1020 Tray. These trays are used by nurseries