Ensure you can grow plants all year round with this Tunnel Greenhouse Replacement Cover  Choose from 10ft x 10ft or 20ft x 10ft  10ft x 10ft:  Features 3 windows on each side Each window rolls up and holds in place with the fasteners Durable plastic formation ensures the inside is protected from rain and wind 20cm extra on all sides, allows you to weigh down if needed Dimensions: 200cm (H) x 300cm (L) x 300cm (W)  20ft x 10ft:  Perfect for bigger outdoor spaces, such as large gardens and allotments Features 6 windows on each side Attaches to the frame with included tape Also features a zipped door 15cm extra on all sides, allows you to weigh down if needed Dimensions: 200cm (H) x 600cm (L) x 300cm (W)  Buying Options:  49.99 pounds instead of 150.99 pounds for 10ft x 10ft - save 67%  74.99 pounds instqad of 176.99 pounds for 20ft x 10ft - save 58%