Plastic Nursery Propagation Tray 1.Material: PS or PVC 2.Size: 54*28cm 3) ... suitable for use with growing&transport frame Plastic Nursery Tray, Plastic Seed Tray, Plastic Propagation Tray1.Material: PS, PVC , first grade2.Thickness ... BLACK PLASTIC NURSERY TRAYSPECIFICATIONItemCell CountTray Size Cell TopCell Bottom VolumnUsage SY-20010*20540*280*42mm 23*23mm10*10mm13cccabbage,leek,cauliflower,onion ...