Homesmiths Polythene Sheet 500 is superior quality and durable sheet that offers outstanding levels of performance across a wide range of both indoor and outdoor applications. It has an extra-thick gauge grade material that offers much-required insulation inside greenhouses during the colder months. Thanks to the transparent design, makes things visible from the outside. You can also use this sheet to shield outside equipment from the wind and rain. It is made of durable and highly resilient plastic material that is water-resistant. The sheet is easy to use and remove.