150gsm extra high density reinforced PE covers are used. Maximised access with larger clip back doors & openings. Contemporary, elliptical (curved) roof designs maximise openings & space inside each model. Vent holes have been incorporated where needed. High quality webbing & hook/loop ties. Additional anchor points help secure Gro Zones 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. 1.5m (4'9) x 1m (3'3) x 0.4m (1'3).