The eco grow greenhouse is the economical choice for first time greenhouse growers it has all of the features and design of the larger models in a more compact size manufactured with 4 mm twin wall polycarbonate roof panels and 6 mm twin wall side panels the eco grow offers superior strength safety light diffusion and great heat insulation the durable resin frame is weatherproof and features simplified assembly with the pin and lock system while the translucent roof panels now simply slid