Terracotta-coloured Plastic Pots Specially Made To Fit Securely Inside The Black Shuttle Trays Making It Easy To Move Plants Around For Maintenance & When Planting Out.18 X 9cm Pots Per Traytray Measures 22in X 10in / 56cm X 25cm.each Pot Has A Drainage Hole Good For Use On Capillary Matting.ideal For Direct Sowing Of Seeds Such As Squash, Tomatoes & Peppers.perfect Size For Potting On Of Young Plug Plants & Vegetable Seedlings Prior To Planting Out In The Garden.shuttle Tray Keeps Pots Upright & Stable In All Conditions, Pots & Trays Are Reusable.