Duo design: Comes with bottom garden bed and top small greenhouse - use pieces of this small greenhouse together or individually. Top plastic cover: Creates shelter to shield plants from outside weather. Plastic greenhouse cover features two roll-up windows to access inside and allow air in. 10cm edges to bury into soil for stability. Bottom steel base: Protective fence for inner plants. Galvanised metal raised bed is suitable for outdoors. Open bottom: No water build-up in the garden bed base. Allows direct contact with soil to promote growth. Dimensions: 92H x 185L x 95Wcm. Planter box: 29.5H x 180L x 90Wcm. Ground stakes included to pin mini greenhouse to ground.