This greenhouse is made with sturdy aluminium frames and crystal clear polycarbonate side panels, twin-wall polycarbonate roof panels, a galvanized steel base, 2 vent windows and a wheelbarrow threshold ramp. It has a sliding panel assembly system which means it can be easily assembled. The sliding panels do not require any additional parts. The threshold ramp and double doors allow easy access for wheelbarrows or any other large objects without tripping. The feature of this greenhouse is a large growing area, light weight and high quality construction. This greenhouse is perfect for small gardens and requires very little maintenance. The twin-wall polycarbonate protects your plants from harmful sunlight exposure, and the crystal clear polycarbonate allows in over 90% of healthy sunlight transmission. The polycarbonate panels are much stronger than glass. Polycarbonate has great strength, shatter-proof properties, and is very difficult to break. The galvanized steel base is rust resistant and neatly blends with the aluminium frame. The base gives the greenhouse added protection and stability. The greenhouse comes with a 5 year limited manufacturer\'s warranty.