Novice growers and experienced gardeners alike will be delighted with this Self-Watering Seed Starting System; it's reliable, reusable, self-watering, very easy to use and cost effective - and with that list of attributes, it fits perfectly into any greenhouse or potting shed set-up supplying an allotment, vegetable patch or kitchen garden. It provides the ideal environment for quick germination and vigorous root growth, almost guaranteeing sturdy, healthy transplants that will thrive in your garden, thanks in the main to the insulated 40 cell polystyrene growing tray that maintains an even temperature. A clear plastic cover is included to help retain heat and moisture but most importantly it has a self-watering reservoir – so over or under-watering worries are a thing of the past! The reservoir will hold roughly a week’s supply of water; just keep it topped up and the capillary matting will draw the water to the plants as and when they demand it. Measures 38cm long by 25cm wide and is 8.5cm high.