Made from BPA free polystyrene, each sheet of these seed starter greenhouse tray inserts has 48 planting pots configured in 12 groups of 4 . Each 4 pot section has perforations for easy detachment. Each individual cell has drain holes. Looking for growing medium? Try our Minute Soil. Tray Insert - 48 Cell - 12x4 Nested For Seed Starting Each individual cell measures approximately 2.25 inches in depth and approximately 2.5 inches by 1.5 inches rim. A full sheet of 48 cells measures about 10.5 inches wide and 21 inches long. Because the cells taper it nests perfectly in a standard 20x10 inch drip tray for watering and drainage. Each individual cell has a max volume capacity of about 8 cubic inches. 48 Cells Per Sheet - Configuration: 12 sections of 4 planting cells - With Drain Holes BPA Free Polystyrene - Easy tear perforations Each Indivicual Cell Measures Approx. 2.25 Inches Deep and 2.5 Inches by 1.5 Inches at the Rim - Tapers to the Base Each Full Sheet Measures 10.5 Inches by 221 Inches at the Rim - Designed to Nest in Standard 20x10 Inch Drip Trays Designed for a Single Use - Seed Starter Tray Inserts
