This Outsunny, grow house is a great item for any gardener, it is made from and aluminium frame with polycarbonate boards. This is a great solution which can be used all year round and can help to grow new plants in a controlled environment, it provides sunlight and heat even in cold weather. It comes with an adjustable roof in two levels to increase air circulation. This is a great product and an ideal solution for any keen gardener.Features:2 levels adjustable roof ensures the well ventilation and sufficient sunshineIdeal humidity and temperature control for plant growthConstructed with an aluminium frameEasy to move and relocate due to its lightweight constructionDouble roof can be opened for convenient getting plants in and outAssembly is required