Shelves and support bars are easily removable to allow maximum flexibility within your growing spaces. Shelves are made from thicker gauge powder coated steel. 150gsm extra high density reinforced PE covers are used. Maximised access with larger clip backdoors and openings. Contemporary, elliptical (curved) roof designs maximise openings and space inside each model. Vent holes and/or windows have been incorporated where needed. High quality webbing and hook/loop ties. Additional anchor points help secure GroZones in place. Can be easily assembled without the need for any special tools. Canes push through the top of the cover to lock them in place. Dimensions: Grozone 1.5m (4'9") x 1m x 0.4m (1'3"), Max Double Sided 1.5m (4'9") x 1m (3'3") x 0.8m (2'6").