Also known as Pro Trays. Fit into standard 1020 Trays for easy handling in the greenhouse. Made of lightweight black plastic with bottom drain holes. 72 round cells in a sheet, 1.50" wide, 2.31" deep. 8820 Plug Flats, 72 cell Start ordering or resume an order Item DiscountedPrice A: 5 sheets (2 lb) $10.00 B: 100 sheets (30 lb) $172.50 ($163.88)