USA Made 6 Cell Seed Starting Trays Our 6 cell seed starting tray inserts are available in clear and colors and are proudly made in the USA. These 6 cell plug trays are ideal for seed starting, propagation, and transplant production for vegetables, flowers, and herbs. Twelve inserts fit into a standard 1020 tray, making them a practical choice for greenhouse growers, nurseries, and market gardeners. Made from food-safe, heavy-duty polypropylene, these trays are built for many seasons of reuse. Color code your seedlings for easy crop organization. Note: Clear 6-cell plugs have a small square tab inside the cells as part of the manufacturing process. *12 Pack Multicolor does not include pink. Features Made from FDA Prime Grade Extra Strength Polypropylene (#5 BPA-free) plastic Extra large ⅝" drainage holes for easy seedling removal and healthy root development Air prune design helps prevent root circling and supports stronger seedling root systems Proudly made in the USA and guaranteed to last at least 2 years 12 inserts fit per 1020 seed starting tray 60 pack provides 360 planting cells 120 pack provides 720 planting cells 360 pack provides 2,160 planting cells 6 Cell Tray Dimensions Insert outer dimensions: 5" x 3⅓" x 2¼" height Each cell: 1½" x 1½" x 2⅛" at the top, tapering to 1" at the bottom Air pruning slits: 0.11" wide x 1¼" tall