It's easy being green with this Garden Greenhouse Choose from 3 and 4 tiers  Includes a thick and durable PVC cover  Weather-resistant PVC material is waterproof - withstands any weather conditions 0.12mm thick PVC cover will not tear and will last for years  Heavy duty steel framework  Features a roll-up door with zip fasteners  As well as removable shelves  Ribbon tie allows you to keep the door open whilst working in the greenhouse Zipped fasteners secure plants with ease Zipped door ensures optimum ventilation and humidity  Light penetration rate is approximately 90-95% Protects your plants from the cold  Exposes your plants directly to the sunlight creating the ideal conditions for growing seedlings Easy to assemble  Approximate dimensions:  3 Tier: 69cm (W)  X 49cm (D)  X 125cm (H)  4 Tier: 59cm (W) X 39cm (D) X 160cm (H)    Buying Options: 27.99 pounds instead of 49.99 pounds for 3 tiers - save 44%  34.99 pounds instead of 49.99 pounds for 4 tiers - save 30%