GroZone Growhouse Ideal for Germinating Seed, Propagating Plants, Growing and Protecting Fruit and Vegetables, or Extending the Growing Season Max Size: Up to 4 seed trays per shelf Max Flexibility: Shelves and central poles can be easily removed, allowing for a variety of plant heights Max Shelves: Extra strong, rigid design; easily removed for growing through Max Strength: 150 gsm extra high-density reinforced PE cover; durable powder-coated steel frame shelves Max Access: Front zip-up panel fully opens and easily clips back, allowing total access Max Ventilation: 4 vent holes to improve airflow Max-Essories: Top quality fixings such as webbing ties and hook/loop cover fixings Max Security: 6 anchor points to secure in place Max Simplicity: Easily assembled without any need for special assistance Dimensions: 1.7 x 0.8 x 0.5m