The Grow It Polythene Grow Tunnel creates an ideal microclimate for year-round cultivation. Its 3m polythene sheet and seven galvanised steel hoops work together to elevate soil temperature and extend your growing season significantly. The protective barrier shields plants from wind, rain, hail, and common pests and diseases, while lift-up sides enable effortless ventilation and harvesting access. Measuring 310cm long, 50cm wide, and 40cm high, it assembles quickly without specialist tools. Perfect for maximising yields in compact garden spaces.