Injection moulded in crystal clear shatter resistant material. The lid features 2 adjustable 'dial' ventilators to control the humidity and optimise growing conditions. The lid fits either our G153 XL Seed Tray which features drainage holes or our G154 XL Garden Tray which has no drainage holes. Size Check: 57.5cm (22.5") Long 39.5cm (15.5") Wide 15cm (6") High
