8 x 8. The Nison Eazi-Click Range uses Nison's patented ' New Click System' which has been designed to reduce the assembly time by up to 60 compared to other structures, but also offers a rigid structure with a beautiful dark green finish on the frame. This great greenhouse has been designed to be affordable & great quality. The 4mm twin wall polycarbonate glazing is a cheaper & more effective alternative to glass the panels help spread light into the greenhouse & is also generally better at insulation, the polycarbonate glazing is also virtually unbreakable. The darkgreen aluminium frame also requires no maintenance & will make this great greenhouse rigid & long lasting. Manufactured by Nison.