Mini Tunnel Greenhouse with Roll-up Zipper Door-GreenThe PE cover protect plants away from bad weather elements Supported by a rustproof metal frame with elector coating built to last Secure the greenhouse with U shaped metal stakes resist wind Put stones to weigh down the overlong cover for increasing additional stability Close the door to retain warmth extend growing seasons and keep away from birds Features a large roll up door with smooth zippers promote ventilation easy to water 2 in 1 design: a